Dimensions direction: GB doors generally have four sizes, height of 2050mm and 1970mm two heights, width of 860mm and 960mm are two, after the combination is: 2050 * 860,2050 * 960,1970 * 860,1970 * 950, height 2050mm total height of 2.05 meters is the door, if you can buy the doorway height is 2070mm to 2050mm height, you need to leave a margin of about 20mm, more easy adjustment during installation. Divided into outer and inner door open security doors open two kinds of wood, but to identify the direction of the door are outdoor identify. Direction is divided into: the outer left open, right outside the open, open the left, inside right open. Distinguished from the hinge (hinge) side prevail. Outside left open as an example: in the face outside the doorway, hinge (hinge) in the left-hand side is left open outside, and so on. Strong Sheng door industry teaches you go and buy security doors: an anti-theft security door damage function is the most important function of the time of purchase may be required to produce relevant vendor compliance certification testing, product quality should be consistent with national standards GB17565-1998 "anti-theft security door general technical conditions" of the technical requirements; two, a qualified security door frame plate thickness should be 2 mm or more, and by removing the cat's eye, the doorbell box or lock the door handles and other ways to check the internal structure of the door plate thickness should be 1.0 mm or more, within a few root reinforcing steel, front and rear door panels connected together organically electronic security doors, enhancing the overall strength of the door, the door preferably with asbestos with fire, heat, noise function as a filler material, the heavier the weight of the door security doors, generally more than 40 kg; Third, check the locks if adopted by the public security departments detection of qualified theft exclusive lock, the lock is installed in place if there is to strengthen steel for protection, lemons with an ordinary door, no anti-drilling equipment can easily be forced open hand drill and other tools of crime; four, process quality inspection of products, doors and door frames with whether dense, space is uniform, whether open and flexible; five, try to choose a brand assurance products, brands large and reputable good glass security door, pay attention to product quality and after-sales service, but also should pay attention to product identification, such as anti-theft security door marked "FAM", business name, trademark, specifications. Door price, Shuozhou security doors, door-Sheng industry by Wanbailin district-Sheng distribution of stainless steel products. Wanbailin district-Sheng Stainless Steel Products Distribution Division (www.sxqsmy.net) strong, credible, in Taiyuan, Shanxi metal door industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead a strong Sheng door industry and you work into the brilliant, for a better future!