Solid wood doors security doors _-Sheng Industry (certified) _ Door Lishi District by Wanbailin-Sheng distribution of stainless steel products. Wanbailin district-Sheng Stainless Steel Products Distribution Division (www.sxqsmy.net) is specialized in the "garage doors, Continental doors, fire doors, stainless steel doors, engineering doors, building doors, retractable door" of enterprises, companies adhering to the "integrity management, service intentions, "the idea, to provide you with the highest quality products and services. Welcome to inquire! Contact: Weijing Li. Today, many different types of security doors on the market, in accordance with the standards promulgated by the Ministry of Public GB25-92 "anti-theft security door general technical conditions" can be divided into fence security door 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 door on the half pipe for fence or steel plate security doors, the lower half of cold-rolled steel, the use of multi-point locking lock to ensure the ability to tamper security door. But as effective as the anti-theft security door enclosed. Entity extrusion cold-rolled steel door, door all steel, mostly plate thickness 1.2 mm and 1.5 mm, impact-resistant and strong. Fill in the double steel doors fireproof rock wool insulation material, with anti-theft, fire, heat insulation, sound insulation and other functions. General entities are equipped with anti-theft doors cat, doorbell and other facilities. Composite door security door with a combination of physical security doors made of solid wood fence security door with mosquito flies theft and summer, warm in winter and cool air ventilation noise characteristics. Sheng strong factor of optional anti-theft door door industry should be considered: 1, select consumer satisfaction or service trust the home market. 2, to shop around for the aspects of the same style, the same brand of goods, from the quality, price, service and other factors considered. 3, or purchase custom security doors, side should get PSB issued a "production license registration certificate" of the manufacturers to purchase products from a qualified. 4. Selection View manufacturer or merchant whether the authority of the inspection agency inspection reports recently qualified inspection, especially with the need to pay attention to whether the production batch model specifications on the inspection report on the same kind. 5, security doors must have a product tag code, including security doors ① mark: FAM ② security level: points A, B, C three, the highest among C-level security properties, B-class second, A-level minimum, including A-level comparison suitable for general home use. 6, see the material is thick. Production of steel frame plate having a thickness of not less than 2mm. Surface treated steel finish, no rough blistering security doors, made of thick steel plate beat up the sound quality, nausea, weigh its weight, roughly determine whether their doors are solid. 7, the structure must be reasonable. Style while doing fine, uniform and dense joints. 8. When you open and lock the door, locks open is flexible. Open or closed, the doors is easy, there should be no catching or collide with the door frame and audible phenomenon. 9, the gap between the door leaf and door frame is too large or too small security door manufacturer, normal clearance should be: left, right and upper side of the gap is not greater than 3 mm, the lower side of 5 mm. 10, doors and door frames need to be fitted with anti-hotlinking, anti-hotlinking is firmly installed, the handle is rotating flexible and firm. 11, invoice must indicate the name of steel windows, specifications, quantity, price, the amount of the contract. 12, organizers and manufacturers understand the name, address, contact person, telephone, in order to solve quality problems can contact.