Flexible lift gate is a flexible soft curtain door, inside and outside the two curtains, curtains used between the aluminum beams connected with a vertically movable rail, the roof beams have levels not in the same straight line and hangar large plants in particular be applicable. Flexible lift door installation does not take up interior space in the hole inside. When the fiest move to open the door, and finally superimposed over the hole. Off event curtain rail first and then fall down until it is completely closed. Flexible Gate,Flexible Pvc Aircraft Folding Up Door,Steel Structure Fabric Flexiile Door,Exterior Automatic Flexible Door Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hffastdoor.com Name of product specification Materials Steel factory / origin Price (yuan/ton) Than yesterday Compared to last week Than last month Seamless tube Φ108*4.5 20# Balance tube 5300 0 0 0 Seamless tube Φ219*7 20# Balance tube 5200 0 0 200 Seamless tube Φ273*8 20# Balance tube 5500 0 0 100 Seamless tube Φ273*8 20# Baogang 5200 0 0 0 Welded pipe 1.5 inch Q235 Foshan 3810 0 -120 60 Welded pipe 8 inches Q235 Foshan 3870 0 -130 -30