Today many types of security doors on the market, according to the Ministry of Public Security promulgated standards GB25-92 "anti-theft security door general technical conditions" Taiyuan security door manufacturer, security doors can be divided into fence security doors, solid doors and composite doors three kinds. Fence security door is usually more common welded steel pipe made by security doors, its biggest advantage is airy, light, attractive appearance, and relatively low prices. The security doors on the half pipe for fence or steel plate Shanxi security doors, the lower half for cold-rolled steel, the use of multi-point locking lock, ensuring the ability tamper security door. But as effective as the anti-theft security door enclosed. Entity extrusion cold-rolled steel door, door all steel plate thickness is 1.2 mm and multi-1.5 mm, impact resistance and strong. Within the leaf filled double steel fireproof rock wool insulation materials, with security, fire protection, thermal insulation, sound insulation and other functions. General entity type anti-theft doors are fitted with cat's eye, doorbell and other facilities. Composite Door combination of entities from the door and the fence made of anti-theft door security door price, with anti-theft flies and mosquitoes in summer, warm in winter and cool air ventilation noise characteristics. Door security level, of course, the mere production and sale of presentation is not enough, it is important to view detailed information on file. Door is related to the life and property safety of millions of households important product. Legal production and distribution of security doors should have the following two conditions: ① must have technology to prevent the management of local public security bureau issued by the Office of the production and distribution licenses. ② the production and distribution of security doors must be approved by all regions and Technical Supervision and the public security organs according to law authorizing Product Quality Supervision and Inspection Station qualified. Regular manufacturers of security doors should have certificate security level certificate. Taiyuan Door manufacturers | Strong Sheng Door Industry | Datong security doors provide strong sung by Wanbailin area distribution of stainless steel products. Wanbailin district-Sheng Stainless Steel Products Distribution Division (www.sxqsmy.net) quality services and products, and are subject to approval and trust of new and old customers and the industry. Our company is a certified member of the whole network Commercial Union, Commercial Union Support icon on the page, you can talk directly to our customer service staff, to our future cooperation happy!