1.cnc machining steel pulley fabricated together with bearing. 2.small order and flexible production 3.cometitive price 4.ASM 1.characterstwo parts assmebled together,cnc pulley with stardard bearing2.strenghtheconomics,high efficiency , small order,small production lot3.usagebenz car engine parts4.OEM NO038 109 244m5.salewholesale,distribute,retail,aftermarket service.