Casting, Forging, Machining manufacturer / supplier in China, offering Pin/Shaft/Machining Part/Auto Part/Spare Part/CNC Machining, Customized Centrifugal Casting Brass/Bronze/Copper Bushing with Graphite for Chemical Equipment/Hydraulic Systems, OEM Customized Steel/Steel Alloy Forgings, Forged Hydraulic Cylinder Parts Piping Systems and General Equip and so on.