Ping Ya Industry and Trade to introduce you to install anti-theft door step: 3, when installed into the door openings, surrounded by cork plugged security doors, correcting horizontal and vertical, good debugging whether open and flexible, and open the doors with a hammer mounting holes drilled through the frame mounting holes, one by one expansion bolt fastening good. 4, expansion bolt drilling depth of the wall to be ≥5cm, impact hammer drill and expansion bolt dimensions meet demand. When the installation or building owners need to be marked square 50cm or 100cm horizontal horizontal user alone must determine the ground floor tile installation or floor height. After the door is installed on both sides of the door need a certain amount of poured cement mortar (typically over 70%), irrigation repair mortar walls, etc. responsible for completion by the user. Ping Ya Trade and Industry to remind consumers to buy security doors should pay attention to the following points: After installation of security doors security doors Which is good, you should first check the keys, insurance policies, invoices and other accessories and service single Are parts and materials data and security doors and other manufacturers to provide consistent, do not appear less of a key. When using the key to open the lock on the door has been installed in the security doors manufacturers, wholesale, cylinder should be easy and flexible, no catching phenomenon; doors open 90 degrees in the process of security doors suppliers, should be flexible and freely, without jamming, different ring and so on. Security doors wholesale prices, industry and trade reputation Ya Ping, Henan security doors Ltd. Yongkang level provided by the Trade and Industry Ya. Yongkang Ya Ping Ltd. (www.ykpygm.com/) Zhejiang Jinhua, doors leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Ya Trade and Industry leaders in the flat with the staff warmly welcome all inquiries negotiations to create flat Ya better future for industry and trade.