... forces or overturning pressures. The installation of the self-aligning troughing sets is advised to be positioned on the ... mine,quarry,cement,harbor,steel,power,crusher industry2. Belt conveyor roller Inner structure and materialTubetube special for roller, ... years). Such as EP conveyor belts, Nylon conveyor belts, Steel cord conveyor belts, special type conveyor belts, Idler Roller and pulley frame ...