Recommended purchase time for anti-theft doors: before the main body is dismantled and modified

1. Types of anti-theft doors

Common anti-theft doors classified by material

At present, common anti-theft doors are mainly divided into four types in terms of materials: iron doors, stainless steel doors, aluminum alloy doors and copper doors. They all have their own characteristics in terms of quality and performance.

Iron anti-theft doors: Price wins

It can be said that the iron anti-theft doors that are most seen on the market and used by the common people are the few brands that are familiar to the public, Liaoning Pan Pan, Beijing Rishang, and Tianjin Longjia all belong to this series. The price basically remains between 700 yuan and 1,200 yuan, with slight fluctuations due to different models and styles.

Compared from a price point of view, they are low-end, and because these brands have been famous for a long time and have a long production history, iron anti-theft doors also have a lot of room for choice in terms of styles, production processes, and services. It is clearly aimed at public consumption and is most easily accepted by ordinary people.

The disadvantage of this kind of door is that it is easy to corrode, so it will rust and fade after being used for a period of time, thus affecting the appearance of the entire door.

Aluminum alloy anti-theft door: gorgeous appearance

The most prominent feature of the special aluminum alloy anti-theft door is its gorgeous appearance, which gives people a sense of brightness. The price is basically between 1,700 and 2,300 yuan, which is a mid-range anti-theft door.

Stainless steel anti-theft doors

Belong to the same grade as aluminum alloy doors, and the price is basically more than 2,000 yuan. The reason why the price is high is because the price of stainless steel itself is high.

Stainless steel security doors are too monotonous in color, basically silver-white.

Copper anti-theft doors: high-end and top-level doors

In terms of material, copper anti-theft doors are the best. As a high-end security door, its service targets are commercial office buildings, institutions, and villas. The natural performance is also very superior. From ancient times to the present, the remains of emperors and ancient buildings are copper products. Copper anti-theft doors combine anti-theft and home entry into one. They are not only advanced in style, but also in sterilization, fire protection, anti-corrosion, It has excellent performance in terms of anti-prying and dust-proof.

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2. When purchasing anti-theft doors

It can be decided based on personal preference and economic conditions. Specific consumers should pay attention to the following points when purchasing anti-theft doors:

(1) Select according to needs: Consumers should choose the appropriate one based on the actual requirements of the door opening size, opening direction, color pattern, etc. of the room. anti-theft security door.

(2) Anti-vandalism function: The anti-vandalism function is the most important function of the anti-theft security door. When purchasing, you can ask the seller to present the test certificate from the relevant department. The product quality should comply with the national standard GB17565-2007 " The technical requirements of "General Technical Conditions for Anti-theft Security Doors".

(3) Door leaf material: The thickness of the steel plate of the door frame of a qualified anti-theft safety door should be above 1.5mm, and the thickness of the door body should generally be above 40mm. The weight of the door body should be checked, generally it should be above 40kg, and it can pass Check the internal structure of the door body by removing the cat's eye, doorbell box or lock handle. The thickness of the steel plate of the door body should be above 0.5mm. There are several reinforced steel skeletons inside to organically connect the front and rear panels of the door body and enhance the door's durability. In terms of overall strength, the door is generally filled with polyurethane or honeycomb paper, which has the functions of heat preservation and sound insulation. Among them, fire doors should be filled with asbestos (fireproof cotton) and other fire-proof materials as fillers. When knocking the door body with your hand, it will make a "dong-dong" sound. Consumers should be able to open and close the door flexibly by hand. The production of fire doors should have the qualification certificate issued by the state for the production of fire doors.

(4) Check the process quality: Pay special attention to check whether there are welding defects, such as open welding, missing welding, missing welding, etc.

Check whether the fit between the door leaf and the door frame is tight, whether the gap is uniform, whether the opening is flexible, and whether all joints are tight. The surface of the door panel should be treated with anti-corrosion, generally spray paint and spray plastic. The surface of the paint layer should be free of bubbles, uniform in color, and large in size. Most doors also have rubber seals embedded in the door frame, so there will be no harsh metal clanking sound when the door is closed.

(5) Lock inspection: Qualified anti-theft doors generally use special anti-theft locks that have been tested by the public security department. At the same time, the lock should be protected by a steel plate with a thickness of more than 3.0mm. Many of the current anti-theft special locks are multi-directional locks. The advantage is that not only the door lock is locked, but the upper and lower crossbars can be inserted and locked to fix the door. Greatly increases the door's anti-pry performance. The "GA/T73-94 Mechanical Anti-Theft Lock" issued by the Ministry of Public Security clearly stipulates that mechanical anti-theft door locks are divided into ordinary protection levels and advanced levels, represented by Level A and Level B. Class A locks refer to locks that are resistant to destructive opening for not less than 15 minutes and technical openings of not less than 1 minute. Class B locks are locks that are resistant to destructive opening for not less than 30 minutes and technical openings of not less than 1 minute. Locks that are resistant to technical opening within 5 minutes (anti-technical opening refers to a lock that resists the ability of professional lock technicians to use special tools and operating techniques to open the lock). And under the same circumstances, the security performance of Class B anti-theft locks is 5 times that of Class A locks. High-quality anti-theft door brands will also use super-B-level locks.

(6) Brand guarantee: Brand is a symbol of product quality and service. Brand mainly refers to product brand and dealer brand. When buying security doors in the market, it is best to go to a regular large home building materials city to buy them. When purchasing, you should also pay attention to the "FAM" logo, company name, implementation standards, etc. of the anti-theft door. Doors that meet the standards can be both safe and reliable.

(7) After installing the anti-theft door, the user must first check whether the accessories and information such as keys, insurance policies, invoices and after-sales service orders are consistent with those provided by the anti-theft door manufacturer. There can be no shortage of keys. When using a key to open a lock installed on the door body, the lock cylinder should be flexible and flexible without sticking; when the door is opened 90 degrees, it should be flexible and flexible without sticking or abnormal noise.

The Consumer Protection Committee reminds: When purchasing anti-theft doors, consumers should learn more about it, choose well-known brands with strength and excellent product quality, and check the product inspection reports provided by the operators; when ordering, they must Mark the words "anti-theft (security) door" on the invoice to prevent counterfeiting; when installing, carefully check the appearance of the anti-theft door, tear off the protective film for a comprehensive inspection if necessary, and ask for warranty cards, invoices and other documents so that if problems arise in the future, they can be promptly Rights protection. Relevant administrative law enforcement departments should also increase supervision and strive to prevent inferior security doors from flooding the market from the source. Vigorously publicize and promote new security door safety standards, improve the quality of corporate after-sales services, and provide consumers with a harmonious, safe and secure consumption environment.

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3. Installation and maintenance of anti-theft doors

Anti-theft doors are the first guarantee of home security. Usually when choosing anti-theft doors, great emphasis is placed on the quality of the door and the quality of the lock. After all, safety comes first. But in fact, the installation of anti-theft doors is also related to the future use and life of the door, and should also be given full attention. How to install a security door to be qualified? You can consider the following items:

1. The installation of anti-theft doors should be based on the type of anti-theft doors used and adopt appropriate installation methods.

2. The door frame of the anti-theft door can be fixed to the wall using expansion bolts, or iron parts can be pre-embedded at the opening when building the wall, and the door frame connectors can be welded firmly during installation.

3. No matter what connection method is used between the door frame and the wall, there should be no less than 3 anchor points on each side, and they should be firmly connected.

4. When installing a security door, it should be straightened and hoisted first. After the size is appropriate, it should be temporarily fixed, and corrected and adjusted. After it is correct, it can be connected and anchored.

5. The sliding door is required to be flexible in pushing and pulling after installation; the swing door is easy to open and closes tightly and firmly.

6. An anti-theft device should be installed between the door frame and door leaf or elsewhere.

7. The handles, door locks, observation holes and other hardware accessories on the anti-theft door must be complete; the password protection locks, electronic alarm password systems, doorbell paging and other devices on the multi-functional anti-theft door must be effectively completed. .

8. The gap with the ground plane should be no more than 5mm.

How to maintain home security doors?

Some high-quality anti-theft doors have a long service life, but even if they have a long service life, they will cause a lot of trouble if you don't pay attention to maintenance. Therefore, it is very necessary to know the correct knowledge about the maintenance of anti-theft doors. The anti-theft doors in use should be maintained once a year.

1. The protective film on the surface of the anti-theft door

The protective film must be torn off within 1 month after installation. If the door is exposed to sunlight, it must be torn off immediately, otherwise Will cause damage to the paint.

2. How to use locks A, B, and C

Key B can be provided to the installation workers. After the installation is completed (after the decoration acceptance is passed), the owner only needs to insert the C key into the lock cylinder and rotate it 360 degrees. The B key will automatically become invalid, and the A and C keys can be used as usual. Owners should not try to open with C key before moving in.

3. Normally, engine oil can be dripped on hinges, locking points and other opening movements for maintenance

4. It is forbidden to drip vegetable oil, lubricating oil, etc. into the lock core

If the opening is not flexible, you can use a little pencil lead powder, or check whether there is any rust on the lock hole, the upper and lower connecting lock points and the door frame lock hole. If there is rust, you can put a few drops of engine oil on the upper and lower connecting lock points and lock holes, and then open it several times.

5. The paint surface of the anti-theft door should be protected from scratches by hard objects and sharp objects.

When cleaning, drop water into a clean, wet towel, wring it out and scrub it. Do not use gasoline or bananas. Water, etc. clean.

6. Please close the door at any time when entering or exiting

When sleeping or going out, please use the key to lock the upper and lower locks to enhance the anti-pry function.

Note: If the anti-theft door has been used for more than a year, the various pins and contact points of the anti-theft door may become rusty. You can use good lubricating oil to remove the pins and contact points one by one. Apply them all to increase lubrication. Remember not to apply oil into the holes.

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4. Security door brands

Top ten brands of security doors in China

Panpan, the top ten brands of security doors in China, understand the price of Panpan security doors

The headquarters of Panpan Anju Co., Ltd. is located in the beautiful coastal city of Yingkou City, Liaoning Province. Over the years, the company has adhered to the road of independent innovation and has developed and produced Panpan brand fire doors, steel-wood doors, rolling shutter doors, and indoor doors. , protective windows, fully automatic garage doors, radiators, colored steel sandwich wall panels, steel structures, soundproof screens, stainless steel kitchenware, etc., more than 10 kinds, more than 100 series of new products, and obtained more than 40 national patents. At present, the company has eight modern door manufacturing enterprises, with an annual production capacity of 1.5 million pry-proof doors and 250,000 square meters of protective windows.

→Star product: Panpan security door type 31

Wangli, one of the top ten brands of security doors in China, understands the price of Wangli security doors

Wangli Group Co., Ltd. It is a comprehensive company integrating scientific research, design, manufacturing, sales, service, finance, real estate and international trade. Its leading products are anti-theft doors, anti-theft locks, scooters, electric bicycles, DANFER (Danver) lubricants, and radiators. , kitchen utensils and other series of products, which are best-selling domestically and exported to the world. The group covers an area of ??more than 200,000 square meters and has a high-end automated control production base of 100,000 square meters.

In September 2005, Wangli brand anti-theft safety doors were awarded "China Famous Brand Products" by the State Administration of Quality Supervision, Inspection and Quarantine. In November 2006, Wangli anti-theft safety doors and mechanical anti-theft locks were recognized as national inspection-free products. The Li trademark (dual recognition by industry and commerce and judiciary) has been recognized as a well-known trademark by the industrial and commercial and judicial departments. It is currently the only company in the industry that has won six gold medals.

→Star product: Wangli anti-theft door Y101 ventilation door middle door

Buyang, one of the top ten brands of anti-theft doors in China, learn about the price of Buyang anti-theft doors

Buyang The group was founded in 1992. After more than ten years of continuous development, it has formed five pillar industries including Buyang door industry, Buyang automobile industry, Buyang real estate, Buyang auto parts and Buyang logistics. The group currently covers an area of ??450,000 square meters, has 11 internationally advanced modern door production lines, and has an annual production capacity of 3.5 million anti-theft safety doors. Buyang Group is the first company in the safety door industry to have three authoritative medals: "Chinese Famous Brand Products", "China Famous Trademarks" and "National Inspection-Free Products". It was rated as a national large enterprise group by the National Bureau of Statistics for three consecutive years from 2006 to 2008. Ranked among the top 500 most competitive companies in China, and ranked among the top 100 most promising companies in China.

→Star product: Buyang Anti-theft Door Eighteen Bachelors S-18A

China’s top ten anti-theft door brands Xingyueshen Learn about the price of Xingyueshen anti-theft doors

Xingyue Door Industry (Zhejiang) Co., Ltd., established in 2001, is one of the three door industry manufacturing bases established by China Xingyue Group. Its brands such as "Xingyue Shen" and "Ou Rui" have successively won It has won titles such as "National Security Door Quality Exemption from Inspection", "Zhejiang Province Famous Brand", "Zhejiang Province Famous Trademark", "Best-Selling Brand", "China Famous Brand", "China Famous Trademark", etc. At present, Xingyue Door Industry has 12 complete production lines and 70 assembly lines for the production of steel, copper, wood, steel wood, stainless steel and other materials and different manufacturing processes, with an annual productivity of nearly 1.5 million units. Xingyue Door Industry has also rapidly developed into one of the leading companies in the door manufacturing industry.

→Star product: Xingyueshen security door B43T2-Rongfu door

Qunsheng, the top ten brands of security doors in China, understand the price of Qunsheng security doors

Qun Shengmen Industry is a subsidiary company of China Qunsheng Group. Founded in 1989, Qunsheng Group is a large non-regional group company involved in the manufacturing of real estate supporting building materials, automobile and motorcycle product manufacturing, real estate investment, financial investment and other fields. Through unremitting efforts, the "Qunsheng" trademark was recognized as a well-known trademark in China. Qunsheng Door Industry passed the "China Environmental Ten Rings Mark" certification and became one of the main drafters of the national environmental standards for "Wood Doors and Steel Doors". "Qunsheng" brand anti-theft safety doors have been rated as "Zhejiang Famous Brand" for two consecutive years and won the national inspection-free product. "Qunsheng" brand anti-theft safety doors and wooden craft doors have been listed as "selected parts and products for the National Comfortable Living Demonstration Project". "Qunsheng brand" fire door has obtained the fire door type approval certificate. "Qunsheng" brand anti-theft security doors, metal entry doors, fire doors and garage doors have become well-known brands at home and abroad.

→Star product: Qunsheng security door Shengshi Haomen QS-603

Maxin, one of the top ten brands of security doors in China, learn about the price of Maxim’s security doors

Chongqing Meixin Xin (Group) Company was founded in 1989. It is a comprehensive enterprise focusing on the door industry, with investments covering automobile and motorcycle accessories, new environmentally friendly building materials, real estate development and other industrial fields. The group's door manufacturing products include safety doors, interior doors, fire doors, rolling shutter doors, garage doors, bulletproof doors and other categories. It is one of the largest and most comprehensive door manufacturing enterprises in the country. The group has been awarded the honorary title of "Top 50 Industrial Enterprises in Chongqing" for 11 consecutive years since 2000. Maxim's safety door was awarded the title of "China Famous Brand", and Maxim's trademark was awarded "China's Famous Trademark".

→Star product: Maxim’s anti-theft door plastic-coated anti-theft door series

China’s top ten anti-theft door brands Spring Learn about the price of spring anti-theft doors

Chundong Group was established in In 2002, the company currently covers a total area of ??about 280,000 square meters, with an annual output of 1.5 million pieces of various security doors, fireproof doors, real copper doors, armored doors, non-standard doors, and wooden doors, and an annual output of 15 million square meters of wooden floors. m capabilities. The company's main business is researching, developing, manufacturing and selling various high-end categories and wooden flooring, and has a complete pre-sales and after-sales service system. With more than 2,000 sales outlets covering the country, it is a large-scale modern enterprise integrating five major industrial chains. Professional enterprise.

Zhejiang Spring Door Industry Co., Ltd. is the core enterprise of China Spring Group.

→Star product: Spring security door CT-A380

Wanjia, one of the top ten brands of security doors in China, learn about the price of Wanjia security doors

Shanghai Maoxiang Door Industry Co., Ltd., mainly engaged in Wanjia steel doors, Wanjia steel-wood armored doors, Wanjia solid wood doors, and Wanjia locks. The company operates with integrity and sustainable management as its concepts, and is committed to a first-class installation team to provide customers with the most professional after-sales guarantee.

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Feiyue, one of the top ten brands of security doors in China, learn about the price of Feiyue security doors

Feiyue The door industry is a large modern enterprise specializing in the production of mid-to-high-end card doors, steel-wood craft doors, indoor set doors, ecological doors, and solid wood doors. The head office covers an area of ??more than 50,000 square meters, has a full set of internationally leading door production lines, and integrates research and development , production, sales and service, leading the market trend with quality, innovation and credibility. The company adheres to the tenet of "people-oriented, harmonious development" and serves customers with the most humane concept. Feiyue's professional production and R&D team and perfect service system ensure that every door you purchase is of great value for money. .

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China’s top ten security door brands Yas King Learn about Yas King security door prices

Shanghai Langqing Metal Doors and Windows Co., Ltd. was established in 2004 and is located in Nanxiang Industrial Park, Jiading District, Shanghai. It has a spacious and bright office building and a modern standard factory building, equipped with sophisticated production equipment. It is a company A modern enterprise that always focuses on the R&D and production of high-quality artistic security doors, stainless steel cast aluminum plate-carved villa doors, high-end villa doors, steel entry doors, and high-quality door-in-door series. The "Yasiwang" brand created by the company took the lead in integrating aesthetics into the manufacturing and sales of "doors", changing the traditional concept that "doors" are just an anti-theft device. Its flagship stores are located in all large and medium-sized cities in all provinces across the country.

→Star product: Yas King security door-in-door series