... , established in 2003, with about 10 years' experince in belt conveyors, conveyor idler rollers, conveyor rollers, roller frame design ... paintings.Absolutly rust-resistant.Mterials: Carbon steel, Q235. Rubber belt. Belt materials(4 kinds): Canvus(56N/mm.layer), nylon(100 to ... funnel and so on)Special service for belt conveyors 1. Tools for fixing, bolts, screw nut, spare parts can be supplied ...