Security door called "security doors." It combines anti-theft and safety performance. Accordance with the "anti-theft security door general technical conditions" provides qualified security door within 15 minutes use chisels, screwdrivers, crowbars and other common hand tools and power tools and other portable hand drill or unable to pry the doors opened on a 615 mm2 of opening, or open an opening of 38 mm2 in the locking point 150 mm2 semicircle. And the use of anti-theft door locks must be through the Ministry of Public Security Testing Center of qualified security door locks with anti-drilling special functions. Door can use different materials, but only up to standard qualified, receive security products production permit the door to be called anti-theft door. Steel fire door factory | security door factory | fire shutter door factory - Renqiu Yue Di Door Co., Ltd. is a production, sales and after-sales in one of the fire doors, security doors, fire shutter doors enterprises. The company has established a comprehensive quality assurance system and service system. Business booming Jia continued effectiveness of the company set to grow. For many years consistently supported care for our customers we express our heartfelt thanks. The company has been focusing on training and the introduction, and has a large number of highly qualified engineers and technicians, the company's high-technology products, replacement fast, huge market. Excellent selection, fine workmanship, design in line with engineering, product rugged, beautiful novel, safe and reliable, stable performance, easy operation, opening and closing flexible, low noise main advantages, there are many distinctive features designed specifically for different types of customers tailor-made. Buy steel fire doors | security doors | fire doors on to Renqiu Yue Di Door Co., Ltd. Renqiu City Yue Di Door Co., Ltd. is currently in the major cities have established marketing center and distribution network to meet domestic and international needs of users, to provide users with faster, better and more carefully services. In the company of "people-oriented, technology Societe Generale" business ideas, "quality, reputation and service" for development, the intention to provide our customers with the best products, technical support and services. Always adhere to the "intentions of my door, is to allow you to use at ease."