There are now a lot of fake and shoddy products on the market, some customers economic conditions are not good, but a rare home decoration, anti-theft security to buy a door a good point. But because there are a lot of fake and shoddy products on the market now, always be afraid. Today a INDUSTRIES teach you to identify the quality of security doors, so you buy a pleasant journey. First, require sellers to produce departments "test compliance certification" to check compliance with national standard GB17565-1998 mandatory technical requirements. Second, remove the cat, the doorbell box or lock handle, check the internal structure of the door. Several root reinforcing steel door should make front and rear door panels connected together organically. The best there is asbestos door with fire, insulation, sound insulation material functions as a filler. Third, check the locks if adopted by the public security departments detection qualified special anti-theft locks, lock installation in place if there is to strengthen steel for protection. Fourth, the process quality inspection of products, whether or not there is welding defects, doors and door frames with whether compacting. Fifth stitching supply security doors, security doors Dian Dian weight, regular security doors weighing not less than 40 kg. Run Co. Zhejiang an effort to create customer style is more stylish, better performance, easier to use products. The current anti-theft security door uneven and varied, some businesses stitching grocery store and if the security door supply manufacturers, operating a variety of security doors. How should consumers identify qualified security doors buy it? A summary of the following INDUSTRIES: 1 rating criteria: security door security level can be divided into Class A, Class B and Class C, Class D, Class-theft performance of which the highest splicing security doors, Class B and Class C secondly, D grade lowest priority. We have seen in the building materials market mostly Class C, D grade security doors, more suitable for general home use. 2, inspection plate: Stitching state security door manufacturers, steel security door thickness to reach 1 mm, but some companies in order to reduce costs, some only 0.4 mm steel plate thin lost the meaning of theft. According to the security door business introduction, consumers test plate, you can push the doors in steel, if the plate is pressed down, show off, but the quality of the security door. 3, check the next step: a qualified stainless steel security door step, but some small workshop in order to reduce costs, I use stainless steel iron. When I visited Nanchang new multi-security doors, the boss introduces an identification tips, will be placed under the foot on the magnet, the magnet suck if it is difficult to get open, indicating that the next step material failure. 4, good lock only locks points: qualified security door locks generally use three position lock, lock not only locks up and down the bar can be inserted locked door to be fixed. Some businesses use more often locked to attract consumers, in fact, a good lock is not locking points better, not anti-theft lock cylinder, more locking points are useless. A Run Industry and Trade wants consumers to use these methods together, buy genuine products. Stitching security door price, splicing security doors, a reasonable price INDUSTRIES provided by a Run Co. Zhejiang. Zhejiang A Run Co. (www.zjyrgm.com) strong, credible, Jinhua in Zhejiang security door industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead a Run Industry and Trade into the brilliant and you work for a better future!