Steel doors and windows are PVC-hexene (UPVC) resin as the main raw material Shijiazhuang steel doors and reasonable price, plus a percentage of stabilizers, colorants, fillers, UV absorbers, etc., by extrusion into profiles Shijiazhuang steel doors and windows, and then By cutting, welding or bolting the door frames made of the way fans, the sealing strip fitted tops, hardware, etc., as well as to enhance the profile of the rigid plastic doors and windows installed hotline Shijiazhuang, more than a certain length of profiles need to fill the cavity Canadian steel liner (ribs) Shijiazhuang steel doors and high-quality brand, made such a portal window, called steel doors. Shijiazhuang gorgeous windows and doors to help you analyze the deformation of steel doors and prevention measures are: (1) PVC window profiles should be used in multi-chamber type, thickness not less than 2. 2mm. Lining plate thickness of not less than 1.2mm. (2) steel window section: casement windows for multi-storey building is not less than 50 series; senior casement not less than 60 series; sash windows do not kid 80 series; sealed plastic window balcony of not less than 85 series. Gorgeous windows and doors, steel doors and reasonable price of Shijiazhuang, Shijiazhuang provided by the gorgeous doors and steel doors. Search for "Shijiazhuang sun room, bridge aluminum doors and windows, shower room, glass partition" reliable suppliers, network operators choose to have a full alliance Certified: Shijiazhuang Sino-American Door (www.sjzygf.com), trustworthiness and reliability, now "Commercial Union Service" page click on the live chat with us now!