Qingdao industrial plants door fittings, door hanging rail hanging round Qingdao full range of welcome advice! 100-999 meters from the bulk ≥1000 m reference price ￥ 26.00 ￥ 23.00 Door Co., Ltd. Qingdao Jin Lide accessories as long as there is sliding door hanging round, hanging rail, hanging rail pendant, hanging pieces, stall doors, door 50 series, 75 series door, under the guide wheel, under the rails and some other column parts, so that the door fabrication and installation faster and more convenient, repair and maintenance is also easier and more effective to improve the production and installation speed. All parts are made of galvanized, effectively prevent rust, increase service life. Material quality carbon structural steel thickness Shandong Origin 2 (mm) galvanized steel model specifications Q235 steel consumption per square meter three types of promotional activities range plant doors, industrial doors Special Purpose good impact resistance