We are a big factory specialized in spiral bevel gears(crown wheel pinion and differetial cover) in China.The company was established in 1980,After more than 30 years' striving ,it take shape,covering a total area of over 70000 square meters. It has series of equipment with American Gleason gear-cutter and Japanese full automatic heat treatment machine. To say for short,we can offer good quality and very good prices to you to enable you to compete with others.