The current anti-theft security door uneven and varied, some businesses Again grocery store, 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, Class B and Class C Second, the minimum D grade level. We have seen in the building materials market mostly Class C, D grade security doors, more suitable for general home use. 2, inspection plate: state regulations, security doors of the plate thickness to reach 1 mm supply security doors, but some companies in order to reduce costs, some only 0.4 mm steel plate thin on meaningless 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, the magnet placed under the foot on the security doors of choice, if the magnet suck hard 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 to attract consumers locked security doors wholesale, 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. A Run Industry and Trade of security doors and strict production process, especially in the more high-quality accessories, and fashion design. Create professional-class security doors. 1, lock parts selection, the main and auxiliary locks are all well-known brand manufacturers produced, with superior technology and anti-tamper opening function. Mounting plate special "tailor-made", "arc security", the overall effect on the appearance of harmony with nature after assembly. 2, door mirror with a unique high-quality "copper door mirror" and appearance, "one of the doorbell door mirror." Accessories are selected from domestic or abroad 3, door decorative surface appearance modeling aspects, hired industry veteran master design. New and unique styling, fashion, 4, configure independent development and design of rotary dark control devices inserted in the upper and lower dark jack position can be adjusted. 5, facade using vacuum transfer technology, grainy texture clear, concise, and generous. Which security doors _ a very good reputation _ INDUSTRIES security doors provided by a Run Industry and Trade Co., Ltd. Zhejiang. Zhejiang A Run Co. (www.zjyrgm.com) is an industry leader in Jinhua, Zhejiang, security doors, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Run Industry and Trade in a leadership with the staff warmly welcome all inquiries negotiations to create a better future for Run Industry and Trade.