Fifth wheels, kingpins, mounting plates

Tangshan Longquan Machinery Co., Ltd. is a leading company in fifth wheels manufacturing and supplying for nearly 20 years.
Focus on different types of fifth wheels and relative parts only.


Tangshan Longquan Machinery Co., Ltd. is a joint-stock enterprise specializing in production of special vehicle parts integrated with research, design, manufacturing and sales. Main products are fifth wheels, kingpins, suspension systems and other critical parts and components. The company is one of the earliest manufacturers mastering manufacturing technology of fifth wheel in China. In 2004, the company has passed the international quality system certification ISO9001:2000, and the vehicle professional TS16949:2000 is certified in 2010 and Emark in 2019.



China largest 5th wheel supplier

Longquan, as the China largest fifth wheel supplier, keeps pace to be China most reliable fifth wheels supplier and technology innovation leader.