Timing belt pulley 1. International standard 2. OEM production with good quality, reasonable price ... timing pulley or according to the customers' drawings and requirements. At present, we have various kinds of CNC ... as common used machines to meet different processing requirements.If you have any needs, please feel free ... ,S4.5M,S5M,S8M,S14M)5. The British System:MXL,XL,L,H,X6. Material:1045 carbon steel ...