Bearings, Machine Tools, CNC Machines manufacturer / supplier in China, offering Four-point contact ball Slewing bearing/slewing ring bearing/turntable bearing/Crane/mining /construction/marine/port machinery, Self-Locking Nut GUK Series Round self-locking nuts with nylon insert/wholesale Lock nuts, SBR10 10mm Linear Motion / Rod Shaft Carriage Linear Guide for CNC Application and so on.