B-1707# No.260 Bayi Road, Yuzhong Distrit, Chongqing, China Chongqing, Chongqing
spur gear and gear shaft mould : 1.5mm～3 mm Precision class : hobbing and shaving technology DIN7, rubbing technology DIN5involute spline shaftmould : 0.7mm～1 mmPrecision class : reference DIN standard
spur gear, bevel gear, the others
