Chien Wei Precise Technology is a worldwide, leading manufacturer of high precision CNC jig grinding machines. Since their inception over (30) thirty years ago, Chien Wei Precise Technology has grown into one of the most respected, well known, manufacturers of high precision, CNC machine tools, in Taiwan. Chien Wei offers (3) three different sizes of CNC jig grinders (12" x 20", 27" x 48" and 40" x 40"). The smaller machine is a "C" frame type machine, and the (2) two larger machines are both '"bridge" type machines. All of the jig grinders offered come standard with fully programmable X, Y, Z, W, C and U axes, as well as an electric grinding head.