... transport links.Our main products are belt conveyor roller,belt conveyor idler,belt conveyor pulley,belt conveyor system,TD75 ,DTII,DTIIA fixed conveyors ... the rollers were sealed by nylon.The professional inspectors used testing equipments to examine waterproof , preventing static electricity, ... by all of the customers.The products were widely used for mine,coal mine,harbour,steel plant,electric plant ...