... 1.0m/s,1.25m/s,1.6m/s,2.0m/s,2.5m/s,3.15m/s,4.0m/s. ... system. Or using an electronic roller as a driving device.)2. Roller parts (Driving rollers and returning rollers)3. Idler ... for belt conveyors 1. Within 30 days, FOB, CIF, Shippment. 2. Payment: L/C, T/T, Escrow, Cash. western union. ... bolts, screw nuts, and other spare parts can free supplied.2. Special request: as the buyer's demand to design and ...