Bearings, Machine Tools, CNC Machines manufacturer / supplier in China, offering P0-P6 chrome steel/ stainless steel K4052H7-45/45-2RS Sealed cartridge Headset | 40x52x7mm | Hub / Bottom Bracket Bicycle Bearing, bike hub, wheel, Sprocket GIL 16B2-25T Roller Chain Sprockets Standard and Customization Available, High-Temperature Rubber Oil Seal for generator/gearbox/fan/Industrial pump/Machinery/Bearing and so on.