Ping Ya Industry and Trade to introduce you to the security door installation steps: 1, first measure the size of openings, opening direction is determined according to the corridor. Doorway size should be larger than the size of the installation of high-grade steel security door door, and leave some clearance (about 1.5-3cm), debugging correction for easy installation. 2, modified steel security door openings, openings size does not meet the requirements to be Raymond iron, steel chisel, cutting machines and other cutting tools, Shuhei to meet installation requirements. Ping Ya Ltd. actively implement the national Ministry of Public Security Fire Product Conformity Assessment Center Fire Product ID tracking system, while steel security door manufacturer, always pay attention to the domestic market, new product information to grasp the steel security door Which is good, stick Quality first, customer-oriented purpose, low market prices, high quality products and service to capture the market, the products sent to the country. Ping Ya Trade and Industry integrity "high-tech, high standards and high quality, high reputation" concept to provide customers with the most satisfactory products and services. Steel security door custom level _ _ Ya Industry and Trade Jinhua excellent quality steel 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.