Yong Yu lai(YYL) is a professional manufacturer with more than 21years experience in crown wheel pinion.

Our production lines are equipped with American Gleason gear-cutter and Japanese full automatic heat treatment facilities.Our products' quality up to world advanced stand, and have been sold to all over the world.Even has many top stand clients in Europe,America,Mid East and South East Asia.

By integrated the ability of R&D,forging,testing,producing and heat treatment in an organic whole, which helped a lot to shorten the lead time.

Contact

bibby AT yyl-gear.com

bibby168 AT hotmail.com