China Steel Door Frame manufacturers Adjustable Frame We make adjustable frame for Australian mobile home, and other purposes. The advantage of adjustable frame is that the frame could adjust according to wall thickness, so you have flexible space, do not worry if the wall is too thick or too thin. The adjustable door frame consists of two side frame and one frame rung. Connection of the adjustable door frame used to install the door leaf, by turning adjusting bolt and connecting block, can make the door convenient adjustment after the fixed position, thus reduce degree of difficulty of installing the door. And the frame is knock down packing, easy to install and save the loading space, enlarged the loading capacity. Parameter Material: Galvanized steel Place of Origin: Guangdong, China Color: unfinish After-sale Service: Online technical support Steel Thickness: 0.6-1.5mm Advantage: Heat Insulation.Waterpfoof FAQ: Q: What is the delivery time? A: Normally 30-35days after received the deposit and confirmed all the details. Q: What's the adjustable frame thickness range? A: It is 60-300 mm Q: What are your main products ? A: Door frame, interior door, security door, fire-rated door. Q: When did your company establish? A: Our company is establish in 1996, has 26 years experience of manufacture door and door frame. We are expert of door in China.China Steel Door Frame manufacturers website:http://www.gtsteeldoor.com/steel-door/steel-door-frame/