Belt:Canvus, nylon,steel wire,heat-proof Rollers:Steel rollers ... in 2003, with about 10 years' experince in belt conveyors, conveyor idler rollers, conveyor rollers, roller frame ... layer), plastic(100 to 300N/mm.layer), steel wire belt(st630 to st2000N/mm.layer). Special devices: High ... and spare parts of belt conveyor machinery 1. Belt(4 kinds): Canvus, nylon, steel wire, plastic belt. 2. Driving part ...