the main products are as follows: gear shapers, straightbevel gear generators, spiral bevel gear generators, spiral bevel gear grinders, hypoid gear testers, gear lappers, gear quenching press, gear chamfering machines, gear hobbers, honing machines, vertical & horizontal machining centers, special precision speed reducers, roll stander for seamless tube stretch reducing mill, gear coupling family, low drive devices and encironmental protective equipment of 16 kinds, more than 30 families, and more than 150 types and specifications.