... Material: brass,carbon steel,stainless steel,aluminium High-quality We are good at manufacturing non ... long-term efforts, our factory has a complete set of rigorous managing system and a good R&D system. ... material include carbon steel,stainless steel,brass,alloy steel, aluminium,etc.Surface: plain,zinc plate,nickel,and so on. ... 10-9 12:05:45 custom made all kinds of aluminium pulley,turning parts