GUANG YIMACHINER CO,. LTD. - C.V. Joing Outer Race Processing Series, C.V. Joing Inner Race Processing Series, C.V. Joing Cage Processing Series(Positioning Ring), C.V. Joing VL Processing Series, Wheel Hub Bearings Processing Series, Vertical Grinder for Inner and Outer Diameters, Series of Special Machines.