... 0.5~400mm O.D 0.5~80mm OEM is welcome Finish & Heat treatment High quality steel shaft, shaft, ... motor shaft, gear shaft, worm shaft, OEM is welcome. Basic process:1.the shafts are made by customized design ... ,well-trained operators follow the working plan work on each procedure. Use Digital control lathes,polishing machines, milling machines ... motor shaft, gear shaft, worm shaft, OEM is welcome.