... density and precision 2.OEM service offered and various CNC machining 3.Standard:ISO,ASTM JIS,DIN , Production ... Cast metal part, Copper fitting, Copper nut, Bushing, Gear, Worm and Worm Wheel,Copper bushing and all non- ... etc. They are widely used in Knitting machines,Cotton machines,Mining machines,Cement machines,Electric machines,Elevator tractors,Shipping machines,Space and Military industry ...