Nowadays, we all want a sense of security, and the thing that can give us the most sense of security is anti-theft doors, so when choosing, I find that I don’t know much about anti-theft doors. There are so many brands and categories that we don’t understand. So what do you need to know when purchasing Class A security doors? Today we will take a look at Class A security door brands and purchasing tips for Class A security doors!

Class A security door brands What are there

1. Panpan: Panpan Group produces Panpan safety doors, fire doors, safety windows, colored steel sandwich wall panels, fully automatic garage doors, explosion-proof radiators, bicycle transmissions, It is a multi-functional, diversified and export-oriented modern enterprise group with steel structure as its main business and the development of new building materials as its main business. It integrates industry, commerce and trade.

2. Buyang: Buyang Group currently covers an area of ??450,000 square meters, has more than 5,000 employees, and has 11 internationally advanced modern door production lines, eight modern automobile production lines, and three automobile parts The production line has formed an annual production capacity of 3.5 million anti-theft safety doors, 2 million electric recreational vehicles, and 2.3 million wheels. Buyang Technology Development covers an area of ??20,000_, and has been rated as a patent demonstration enterprise in Zhejiang Province for many consecutive years.

3. Qunsheng: Qunsheng Door 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, finance and other fields. The company is located in Yongkang, the hardware capital of China, with a modern standard factory covering an area of ??500,000 square meters, more than 4,000 employees, including more than 600 mid-level technicians, and fixed assets of more than 1 billion yuan. The company's total industrial output value in 2008 was RMB 1.66 billion and tax revenue was RMB 44.88 million.

4. Maxim's: In 1989, it was one of the leading joint-stock enterprises in the manufacturing of Chinese brand products, Chinese famous trademarks, Chongqing brand, and security doors.

Tips for purchasing Class A security doors

1. Check the weight and thickness of the door

The thickness of the steel plate should be above 2mm, and the thickness of the door is generally above 20mm , the weight is generally more than 40kg, the thickness of the steel plate of the door body should be more than 1.0mm, and there are several reinforced steel bars organically connecting the front and rear panels of the door body. It is best to use asbestos and other materials with fireproof, thermal insulation, and sound insulation functions as fillers in the door. When you tap the door with your hand, it will make a "dong-dong" sound, and it can be opened and closed flexibly.

2. Clarify their actual needs

Consumers should choose the appropriate one based on the door opening size, opening direction, color and pattern of the room, as well as personal preferences and economic conditions and other actual requirements. Anti-theft security door.

3. 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.

4. Check the inspection certificate

After determining the door opening size, opening direction, color pattern and other actual requirements, you can ask the seller to show the inspection by the relevant department when choosing a security door Qualification certificate, product quality should meet the technical requirements of the national standard gb17565-1998 "General Technical Conditions for Anti-theft Security Doors".

5. Check the process quality

Special attention should be paid to checking for 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, usually spray paint and plastic spray. Most doors also have rubber seals embedded in the door frame. strip, there will be no harsh metal collision sound when the door is closed.

Nowadays, people are becoming more and more aware of security, so anti-theft doors have become an important tool for people to protect their families, and they have also paid special attention to the choice of anti-theft doors. The above is the Class A security door brand and Class A security door purchasing tips introduced by the editor today. This ends here.