Anti-counterfeiting features:

This technology has good anti-counterfeiting performance and large gray scale change. It is made by a specific optical method and cannot be copied by ordinary methods. Like fingerprints, it is unique, unrepeatable and informative. It belongs to the anti-counterfeiting principle and cannot be copied.

Identification method:

The logo should be complete, the texture should be clear, the waterline should be obvious, and there should be obvious gray changes. Once uncovered, it can't be used again.

Second, anti-counterfeiting technology: laser holography, miniature encryption technology (the company's original miniature technology).

Anti-counterfeiting features: the miniaturization of letters or patterns in logo patterns is different from the miniaturization technology of other companies.

Identification method:

1, the pattern is clear and dynamic.

2. Remove the aluminum film from the logo and separate it from the adhesive. Micro-letters leave holes in the adhesive with the same letters.

3. Identification is simple and clear.

Third, anti-counterfeiting technology: laser holography+special materials

Anti-counterfeiting features:

1, with clear pattern and strong three-dimensional effect.

2, the font is obvious, and all colors are ok.

Identification method: the scarlet letter used in the logo is made of national patented technology and special materials, and emits red light under fluorescent lamp.

Fourth, anti-counterfeiting technology: pixel holographic technology, KK film technology.

Anti-counterfeiting features: clear pattern and good dynamic effect.

Identification method: Take off the logo and leave preset colored words or patterns on the pasted objects.

Five, anti-counterfeiting technology: pixel holographic technology, rule disclosure technology.

Anti-counterfeiting features: clear pattern and good dynamic effect.

Identification method:

1, gradual change and diffusion of lithography patterns.

2. Remove the logo, and leave words or patterns opposite to the yin and yang of the aluminum film on the pasted object.

Anti-counterfeiting technology: laser dot matrix fractal holography technology

Anti-counterfeiting features:

1, dot matrix laser holography is randomly generated by computer.

2. Good anti-counterfeiting performance and beautiful visual effect. (such as background gradient, rotating flicker, extended flicker, etc.). )

Identification method: 1. The logo pattern consists of tiny raster dots with a resolution of 300DPI.

2. It cannot be copied by photography, copying or computer scanning.

3. Need professional equipment appraisal.

Seven, anti-counterfeiting technology: comprehensive anti-counterfeiting technology.

Anti-counterfeiting features: adopting a variety of anti-counterfeiting technologies in one, the anti-counterfeiting effect is good.

Identification method: Combined with various anti-counterfeiting technologies, different identification methods are adopted.

Eight, anti-counterfeiting technology: pixel holographic technology

Anti-counterfeiting features:

The holographic image of computer lithography is dynamic, which organically combines optics, electrochemistry and micro-etching, and has good anti-counterfeiting performance, strong confidentiality and good visual effect. Dynamic types are: telescopic type, luminous type, rotating type, three-dimensional type and random point formation.

Identification method:

By changing the observation angle, the photoetching pattern will produce a strong dynamic change effect, one is to form a circle that shrinks and spreads, and the other is to form a light that rotates left and right.

Nine, anti-counterfeiting technology: security line technology (original by our company)

Anti-counterfeiting features: high-tech content, strong independence and good tamper-proof performance.

Identification method:

1, the holographic pattern has bright colors, distinct layers and good dynamic background.

2. Visually, there is a red dotted line or straight line running through the whole logo.

3. Remove the logo, and a dotted line, a straight line or an English letter with opposite yin and yang appears between the pasted object and the aluminum film.

X. Anti-counterfeiting technologies: holographic anti-counterfeiting, laser, fluorescence encryption, steganography encryption, and intelligent encryption printing.

Anti-counterfeiting features: simple identification and unique technology.

Identification method:

1. Illuminate the encrypted area with a laser pen to reproduce the preset password characters or letters.

2. Illuminate the encrypted area with fluorescent light, and red password words or letters may appear.

3. Intelligent encrypted printing is the company's original technology, and others cannot copy it. Easy identification and good anti-counterfeiting performance.

Introduction of anti-counterfeiting technology

1, anti-counterfeiting printing technology. This technology refers to the transfer of anti-counterfeiting measures to printed matter through printing, so that printed matter can be identified, including anti-counterfeiting printing design and anti-counterfeiting printing technology. Such as computer-aided design, electronic engraving, back-to-back printing, rainbow printing, invisible printing, micro-processing, watermark printing, intaglio printing pattern docking, on-line printing, multi-color overlay printing and other anti-counterfeiting printing technologies.

2. Paper anti-counterfeiting technology. Special paper is made by adding special fiber materials in the process of making paper with special technology, thus forming anti-counterfeiting function. There are mainly the following types: watermark paper, anti-counterfeiting paper with anti-counterfeiting inserts, ultra-thin low-strength anti-counterfeiting paper and fragile anti-counterfeiting paper. Security and certificate security paper. Anti-counterfeiting textured paper, etc.

3. Ink anti-counterfeiting technology. This anti-counterfeiting technology is a technology of adding special substances into ordinary ink binders and processing them into special inks through special processes. At present, anti-counterfeiting inks mainly include ultraviolet excitation fluorescent anti-counterfeiting ink, magnetic anti-counterfeiting ink, heat-sensitive color-changing anti-counterfeiting ink, sunlight excitation color-changing anti-counterfeiting ink, light-changing anti-counterfeiting ink, pressure-sensitive anti-counterfeiting ink, infrared anti-counterfeiting ink, anti-counterfeiting ink and so on.

4. Optical anti-counterfeiting technology. This technology uses the basic laws of scattering, reflection, transmission, absorption and diffraction generated by the interaction between light and matter to obtain a special visual angle effect, thus forming a certain anti-counterfeiting technology and anti-counterfeiting products. Such as laser holographic anti-counterfeiting technology and anti-counterfeiting holographic film, anti-counterfeiting holographic paper, anti-counterfeiting holographic hot stamping foil and holographic anti-counterfeiting logo; Optical film anti-counterfeiting mark, moire stripe double-card anti-counterfeiting mark, polarized light double-card anti-counterfeiting mark, integrated photographic anti-counterfeiting mark, image and text output laser anti-counterfeiting mark, etc.

5. Magnetic code anti-counterfeiting technology. Using special weak magnetic ink and high-tech printing technology, the magnetic code of bar code (similar to ordinary commodity bar code) is printed, and the magnetic code is made into a magnetic code anti-counterfeiting mark, or the magnetic code is directly printed on the trademark package, and the magnetic code of bar code is partially covered with non-magnetic ink. Because of the implication of multi-parameter hybrid coding, the randomness of coding and the complexity of manufacturing technology, this magnetic code is extremely difficult to decipher and imitate. To identify the authenticity of a commodity, we only need to use a special magnetic code discriminator to detect the hidden bar code magnetic code on the commodity, and then we can know the authenticity of the commodity.

6, nuclear track anti-counterfeiting technology. This technology is a high-tech anti-counterfeiting technology developed in the 1990s. It uses atomic energy reactors or heavy ion accelerators to make randomly formed patterns with a large number of micropores (invisible to human eyes), and then prints them into various anti-counterfeiting marks through special plate-making and printing processes. This kind of logo has the advantages of being difficult to imitate, easy to identify and mass-produced, and its application field is very broad. At present, there are drop-shaped anti-counterfeiting signs and so on.

7. Digital network anti-counterfeiting technology. Anti-counterfeiting technology is an anti-counterfeiting technology integrating modern computer technology, network communication technology, data coding technology, high-tech printing technology and modern management technology.

Digital network anti-counterfeiting technology includes two parts. The first is the digital password generation technology. That is, a set of different digital codes is designed for the goods that need anti-counterfeiting and matched with the corresponding passwords. And make it into an anti-counterfeiting mark and stick it on the goods; The second is the online verification technology with anti-counterfeiting mark. For the information code with verification, computer network technology is adopted to verify the authenticity of the product through network equipment. At present, it can be verified by telephone, SMS and Internet.

8, structure and packaging anti-counterfeiting technology. This technology refers to the adoption of a special conceptual design in the design and manufacture of products or product packaging, so as to achieve product fidelity, which usually includes anti-counterfeiting technology of structure, appearance and packaging. This anti-counterfeiting technology is most widely used in wine bottle caps and cigarette packaging boxes.

9. Human body feature anti-counterfeiting technology. This technology is a technology that uses certain characteristics of human body to realize anti-counterfeiting and identification. Such as anti-counterfeiting technology of human gene password identification, human fingerprint identification, human palmprint identification, human fundus iris identification, human voiceprint identification, human face identification and human infrared thermography identification.

10, anti-counterfeiting technology for instrument identification. This technology refers to the identification of the authenticity of the anti-counterfeiting measures contained in the subject matter through instruments. At present, China mainly focuses on the research and development and production of RMB counterfeit banknote discriminator, and bar code reader is also under development.

1 1, other anti-counterfeiting technologies and products with anti-counterfeiting technologies. There are mainly bar code anti-counterfeiting technology, seal anti-counterfeiting technology, special anti-counterfeiting materials, anti-counterfeiting intelligent identification, and regular open anti-counterfeiting labels.

China consumes160 billion cigarettes every year, accounting for 3 1% of the world total. Among the global 16 young smokers, China accounts for13.

A series of national standards for cigarettes have been implemented since June 1 997+1October1. This series of standards includes:

Gb/t56061-1996 cigarette sampling;

GB/T 5606 2-1996 Cigarette packaging, labeling, storage and transportation;

Gb56063-1996 technical requirements for cigarette rolling;

Gb56064- 1996 "technical requirements for cigarette sensory";

GB 5606 5— 1996 Chemical and Technical Indicators of Mainstream Flue Gas and Cut Tobacco;

GB 5606 6— 1996 comprehensive evaluation of cigarette quality.

Fake cigarettes can be roughly divided into three categories:

The first kind is handmade fake cigarettes. Manufacturers use raw cut tobacco, cigarette scraps or homemade cut tobacco to make fake real cigarettes by hand. This kind of fake cigarette has poor appearance and internal quality, and it is easy to identify. This kind of fake cigarette is the most harmful to human health because of the poor quality of cut tobacco and rough manufacturing process, and some cut tobacco is chemically dyed.

The second kind is machine-made fake cigarettes. This kind of cigarettes are usually fake cigarettes smuggled in from abroad or illegally manufactured by "underground cigarette factories" in mainland China. This kind of counterfeit cigarette often has its own formula and relatively complete technology and equipment. Although there are many differences compared with the genuine product, its appearance quality is usually very similar to the genuine product, which is easy for consumers to be deceived. There are a lot of fake cigarettes, which is the main form of fake cigarettes at present. Type. ?

The third kind is artificial repackaged fake cigarettes. Using cigarettes of the same specification and brand (such as defective cigarettes or low-grade cigarettes) or cigarettes of different brands, the original wrapping paper is removed by manual operation and converted into brands with higher grades or prices. Such as "Yunyan" and "Camellia" modified from inferior cigarettes, "Peony" modified from simple peony, and "Huang Hongmei" modified from Bai Hongmei. "boyfriend"

I. "Hongta Mountain"

According to market spot checks, in recent years, there are many counterfeit Yunyan, especially the famous brand "Hongtashan" cigarettes. The cigarette "Hongtashan" produced by Yuxi Tobacco Factory in Yunnan has four specifications: 84mm and 94mm hard box flip type and 84mm and 94mm soft box type. Market spot checks found that 84mm soft boxes are the most counterfeit products. The main identification points are as follows:

1 packaging: there are uniformly distributed colored fibers in the packaging and hard box. In Chinese and English, the long brand name is superimposed on the red Phnom Penh, and the main plan of "Hongtashan" is printed with golden peaks and clouds as a foil. "Produced by China Yuxi Cigarette Factory" is marked in black italics in both Chinese and English. Recently, the product has been pressed out, and there is an anti-counterfeiting logo in the upper left corner. The picture is as follows: clearly visible under strong light.

The black bar code number on the bar is as follows:

84mm soft package 10 package (filter cigarette)

690 1028047029

84 mm hard pack 10 strip (hard pack filter-tip cigarettes)

690 1028047063

94mm soft package 10 package (long soft package filter tip cigarette)

690 1028047043

94 mm hard pack 10 strip (long hard pack filter-tip cigarettes)

690 1028047050

"Hongtashan" products are produced by modern assembly lines such as winding, splicing and packaging with international advanced level. Small strips have regular packaging, clear lines, fixed external dimensions, small tolerance, firm bonding lap, smooth and clean appearance, tight plastic oil seal packaging, high gloss, and the sealing is heated and bonded by machine, which is not easy to open. The drawstring is self-sealing glue. Except the 94mm hard box is straight, other drawstrings (including 84mm hard box, soft box and 94mm soft box) are semicircular, which are located on the side of Hongtashan with Chinese pinyin and pulled counterclockwise. There is a 20-mm-wide matte oil tape at all the glue seals of the box, with three glue seals on the side and dotted lines at both ends.

The fake "Hongtashan" cellophane has poor transparency and no luster. The cellophane is thicker than the real one, and there is a big gap between the cellophane and the carton. Because the joint is glued, there are obvious wrinkles. It is easy to open the seal with a few hands, and the carton seal is irregular.

Boxed: Gravure printing technology is adopted, and the font pattern is clear and complete. The trademark is brightly colored with Hongtashan as the main pattern and Jinfengyun as the background. The main pattern is printed in big red and overprinted in gold. The Chinese and English versions of Hongtashan are overprinted in red and gold, and the Chinese and English versions of China Yuxi Cigarette Factory are printed in gold standard font. Recently, the anti-counterfeiting emblem is printed on the upper left corner of the Chinese side of the soft package of the product, which can produce the effect of ultraviolet photochromic. The center of the upper part of the hard bag is embossed with anti-counterfeiting marks, and the center of the pattern can produce ultraviolet photochromic effect. The "Phnom Penh" and "golden characters" in the pattern will show golden light under the irradiation of sunlight and light. On one side of the small box, a black bar code is printed with the following numbers: [JP].

84 mm soft package 690 1028048026

84mm hard bag 690 1028048033

94 mm soft package 690 1028048040

94mm hard package 690 1028048057

The main pattern "Hongtashan", the Jin Feng and the edge of the bar code line, when carefully observed with a magnifying glass, all show tiny sawtooth shapes. Counterfeit products either have no serrations at the corresponding parts, or the serration spacing is much larger than the real product.

From the packaging technology point of view, when opening the cigarette label (the small sealing strip on the upper part of each pack of cigarettes, which is called "mouth flower" in some places), you can see two traces of longitudinal thin glue, while the adhesive trace of fake cigarettes after tearing the cigarette label is often one. The order of cigarettes is 7, 6, 7.

The glue seal of genuine soft box packaging is characterized by three-stage glue seam, the upper one is short, the middle one is long, and the next one is long. Fake cigarettes are often a random line.

The adhesive seal of genuine hard box packaging is 8mm wide five-point lattice glue mark, while fake cigarettes are irregular sheets. There are five dot-matrix glue marks before and after the genuine aluminum foil paper sticks to the small box, and the fake cigarettes are irregular.

There is always a black cursor on the back of the cigarette label, which is used by the machine that packs 500 boxes of cigarettes per minute to automatically identify and cut off the cigarette label. Some genuine "Hongtashan" cigarettes have no cursor behind them, so this item is only used as a reference standard.

Note: There are 20 pieces of "Hongtashan" in four specifications packed with aluminum foil paper, all of which are horizontally packed and all of which are fake cigarettes vertically packed. In addition, for 20 cigarettes of four specifications, the joint direction of the imported full hemp thread paper for cigarettes must be up and down, that is, the joint direction of cigarette paper in 20 cigarettes must be up and down. The cigarette wrapping paper of a pack of cigarettes has only one direction, that is, fake cigarettes.

Aluminum foil paper: the genuine "Hongtashan" uses imported aluminum foil paper, which is white and neat, while the fake aluminum foil paper is black and yellow.

Cigarettes: Cigarettes are made of all-hemp paper rolls, and the joints are Xue Huadian-shaped tipping paper with English letters "YXCF" printed on them, with clear handwriting. The factory standard YXCF on the cigarette paper of general anesthesia silk thread has no silk thread on it and the font is broken. All YXCF threads, or fonts, on cigarettes are continuously opened, which are fakes.

There is YXCF factory logo on the filter screen, and the yellow skin of the filter screen is torn off. On the tipping paper in the middle of the filter tip, there are 4mm wide holes evenly distributed.

The real "Hongtashan" cigarette is naturally closely connected with the filter tip, with the same length and thickness, and the steel seal printed on the cigarette is in the same position and direction. The font is 2mm high and 1mm wide, which is uniform, while the height, width, position and direction of the fake font are mixed. Although the length of cigarettes is generally the same, the thickness is often different. The cut tobacco at the joint between the filter and the cigarette is often loose, and the yellow wrapping paper of the filter is the same length, but the filter rods inside are often uneven, and most of them are shorter than the real ones. The real "Hongtashan" has full cigarettes, moderate elasticity, smooth and clean surface, firm seam adhesion, uniform incision, clear and complete gold Chinese famous brand steel seal and red English steel seal, and red Arabic numeral code is printed at the seam of cigarettes, and the handwriting of fake cigarettes is often unclear.

Cut tobacco: The real "Hongtashan" cut tobacco is slender and even, with golden or orange color, glossy and oily, and no stalk. There is a certain proportion of expanded cut tobacco in cut tobacco, which is elastic when pressed, dry without mildew, and does not turn off when smoking. The color of the cut tobacco of fake cigarettes is dark, black or red, and it has no oiliness and elasticity when pressed, indicating that there is no certain proportion of expanded cut tobacco, and some fake cigarettes have too much expanded cut tobacco, even mixed with cut tobacco heads and cut tobacco pieces.

Besides the appearance, the most important identification of cigarettes is the internal quality identification. That is, according to the color, fragrance and taste of cigarettes, the authenticity is judged. The real "Hongtashan" cut tobacco is golden in color, glossy and oily, rich in aroma, harmonious and pure. Made with special spices, it has moderate strength, smooth throat, pure and comfortable aftertaste, and has a typical smoky style. The counterfeit "Hongtashan" cut tobacco is finely divided and mixed, and some cut tobacco is dyed or mildewed. Smell when smoking: pungent, musty, earthy or peculiar smell of special spices, which is easy to turn off, and does not have the typical style of "Hongtashan".

The identification method of Hongtashan cigarette introduced above is also applicable to Yuxi, Ashima, Shilin, Hongmei and other products produced by Yuxi Cigarette Factory in China. When identifying cigarettes, consumers should make a comprehensive judgment and make a correct judgment according to the strip, box, cigarette, cut tobacco, color, fragrance and taste.

China Yuxi cigarette factory anti-counterfeiting telephone number:

(0877) 2968483 2968669

Second, "White Sand"

In recent years, fine white sand, covered white sand, white sand, Changsha and Texiang cigarettes produced by Changsha Cigarette Factory have been copied by criminals in Chaoyang, Guangdong, Xiao Yun, Fujian, Guangxi and Hexian. In order to facilitate consumers to identify the authenticity, the factory adopted the invisible ink-jet coding anti-counterfeiting technology. From 1 March 19961,the transparent films or cigarette cases of brands such as Jinsha, refined Baisha, Gaibaisha, Baisha, Changsha, Tezhi and Nansha produced by this factory are all printed with invisible signs, and the printing position is near the middle and upper part of the front of the packaged cigarette case. From the outer packaging, the small box is square, beautiful and firmly pasted; The small box is wrapped in transparent paper, the gold thread is intact, and the logo on the small box is clear and complete. The note is firmly pasted, neat and beautiful, the box is tightly pasted with transparent paper, and the logo on the box is clear and complete. Passwords are set at the bottom of the small box and the block head of the box, and cigarette products that do not meet the password requirements set by the manufacturer are fakes.

From the internal quality of cigarettes, the color of cut tobacco in "Baisha" series products is yellow, orange and yellow; Cut tobacco has no white spots, glossy and oily, rich, full and harmonious taste, no foreign flavor, no irritation and pure aftertaste. The cut tobacco of fake cigarettes is generally dark in color, with white spots, light in luster and non-oily. The smoke is light, aggressive and irritating, and the aftertaste is impure.

Judging from the quality of raw and auxiliary materials used, the raw and auxiliary materials used in genuine products have excellent paper quality, good brightness, clear trademark patterns and bright colors. However, the quality of raw and auxiliary materials of fake cigarettes is poor, the brightness is poor, and the trademark pattern is not clear and distinct.

Third, the "cloud" (hard box):

1 The box is covered with an upper cover, and the glue seals on both sides are nine lines of dotted glue marks.

2. The left and right sides of the small box package are sealed with three glue marks; There are two glue marks before and after the small box is sealed with aluminum foil paper, and one glue mark on the left and right is in a figure of eight; Fake cigarettes are irregular thin sheets.

The order of cigarettes is 7, 7 and 6, and fake cigarettes are 7, 6 and 7.

4. The cut stems are fine and of good quality, and the fake tobacco stems are thick.

The smell of cut tobacco is not strong, while the smell of fake cigarettes is generally strong.

Four, "Marlboro" (hard box)

1 box, small box, zigzag pattern and English characters, fake cigarettes are straight lines.

There is an 8mm five-point dot matrix adhesive label on the left and right sides of the small box package, and an 8mm five-point dot matrix adhesive label on the front and back of the aluminum foil paper and the small box, and the fake cigarette is an irregular thin sheet.

There is an indentation 5 mm around the ring box at the lower end of the aluminum foil paper outlet.

The arrangement of cigarettes is 7, 7 and 6, and fake cigarettes are generally 7, 6 and 7. The middle of the filter is drilled with a laser for one week.

5. Use acetone separation method to see if there is expanded cut tobacco in the cut tobacco.

Five, "Marlboro" (soft box)

1 box, small box, zigzag pattern and English characters, fake cigarettes are straight lines.

There is an anti-counterfeiting mark on the bottom of the small box package, and six small white squares turn pink when heated.

There is a laser hole in the middle of the filter, which lasts for one week.

Using acetone separation method to see whether there is expanded tobacco in tobacco.

Six, "Hilton" (hard box)

1 box, small box, zigzag pattern and English characters, fake cigarettes are straight lines.

There are five dotted lines at the left and right ends of the two boxes, and eight dotted lines at the left and right sides of the small box package.

3. The small box is packaged and sealed, with eight-mm-wide five-point grid glue seams on the left and right, and one five-point grid glue seam on the front and back. Fake cigarettes are irregular thin sheets.

Acetone can decompose expanded tobacco.

Smell characteristics: strong flavor of foreign tobacco essence.

Seven, "three five" (hard box)

1 box, small bag, zigzag pattern and English characters, fake cigarettes are straight lines.

The small box is about a five-point lattice glue mark, 8mm wide, and the fake cigarette is an irregular thin sheet.

There is an indentation 5 mm around the ring box at the lower end of the aluminum foil paper outlet.

There are expanded tobacco shreds and fine stems.

5. Pour the cut tobacco into the acetone solution, and the floating cut tobacco is the genuine product.

Eight, "China" (hard box)

1 packaging transparent paper has low friction coefficient, smooth feel and good luster. The transparent paper of fake cigarette packaging has large friction coefficient, lagging hand feeling and poor gloss. There is a big gap between the fake cigarette box and the transparent paper of the box, especially at both ends of the box. This is a gold thread without letters, and the thread ends are semicircular, which is pulled clockwise, while the thread ends of fake cigarettes are irregular. The bar code side of transparent paper is parallel to the edge, in a straight line, with uniform width, while fake cigarettes are uneven, straight and uneven.

The box adopts European top cover. The inner side of transparent paper in the upper right corner of the box adopts automatic ink-jet invisible anti-counterfeiting technology. The anti-counterfeiting logo is purple-blue under purple light, and the anti-counterfeiting logo adopts a group pattern. Two letters ZH are the Chinese phonetic prefix, and ten numbers (divided into two lines) respectively represent the date of production, category and car number.

When identifying the recycled old boxes, pay attention to the wear and stain marks at the corners, or the marks of sealing or resealing twice after disassembly.

2 small boxes of transparent paper have smooth feel and good luster, and fake cigarettes are stagnant. The box is a cable without letters, and the cable head is square, which is pulled clockwise and the fake smoke is irregular. Transparent paper is glued on one side of the bar code, with epigrams on it, which is flat, straight and even. The anti-counterfeiting logo is located at the lower edge of the front of the packaging box, in the transparent paper on the lower right side of "China Shanghai Cigarette Factory", which is consistent with the anti-counterfeiting technology and content of the packaging box except that it is arranged in a row without group patterns.

After the small box is opened, there are three regular glue seams on the left and right, and the fake cigarette is flaky. The small box and the backing paper are sealed with glue lines on the left and right sides, showing a figure of eight, with two glue lines on the front and back, while the fake cigarettes are non-stick or irregular sheets.

The bottom of the box is printed with a two-digit password, which represents the year, month and car number.

The order of cigarettes is 7, 7 and 6, and fake cigarettes are generally 7, 6 and 7. The length, circumference, appearance and seal of cigarettes are all standardized, and there is no small smoke; Fake cigarettes are irregular and small in size.

Cut tobacco: It consists of cut tobacco, expanded cut tobacco and a small amount of cut tobacco. It is golden or orange, shiny and oily. Expanded cut tobacco is made of carbon dioxide. 2 dry ice expansion method, the proportion of quantity is 5% ~ 8%. Pour the cut tobacco into acetone solution, the floating cut tobacco is expanded cut tobacco, and the fake cigarette has no floating cut tobacco.

Evaluation and smoking: Compared with Yunnan cigarettes, Zhonghua brand cigarettes are rich in flavor, rich in aroma, mellow and harmonious, non-irritating, clean and comfortable in aftertaste, and moderate in strength, while fake cigarettes are poor in aroma, irritating and unclean in aftertaste.

The key point to identify Chinese cigarettes mainly depends on whether the last digit of the three places is the same, that is, the last digit of the box anti-counterfeiting mark, the last digit of the small box anti-counterfeiting mark, the letters typed at the bottom of the small box and the last digit of the two digits, and whether the three digits are the same.