... and door roller, caster wheel, casting, buckle, hook, truck accessories, roller chain, twin pulley block, sliding roller Main ... OEM Service OfferedAQS-11 Q235 steel stamping partsPrducts name AQS-11 Q235 steel stamping partsBrand nameOEMItem NoAQS-11Materaialcarbon steel with zinc plated, ... . Especially for Window and door pulley , accessories for truck, contain buckle, hook, belt and roller, long chain ...