Qingdao double pulley sliding door door door hanging rail industry edging straight edge in the full range of accessories such as side from the bulk ≥100 piece Reference Price ￥ 26.00 Door Co., Ltd. Qingdao Jin Lide custom processing No Material Metal 6mm thickness specifications Φ55 Scope factory workshop door, industrial sliding doors, mechanical sliding device uses an outer diameter of 55 B model drum pulley types of windows and doors pulley shaft diameter 22 above the maximum load 1000Kg accessories mainly sliding door hanging round, hanging rail, hanging rail pendant, hanging pieces, stall doors, 50 series the door, the door 75 series, 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. The useful life of 5-10 years, when consumers choose hanging round, you can put on the glass case hanging round table and his hands sliding back and forth, try a few samples, select feel good, no noise.