DEVELOPMENT HISTORY
Built Step by Step
Since 1990
From automotive components to tracked-equipment undercarriage parts, Lianyou has grown by continuously investing in equipment, production experience and quality management.
Lianyou Machinery Factory Founded
Quanzhou Lianyou Machinery Factory was established in early 1990. The business initially manufactured automobile and motorcycle components, including fastening bolts and pins for industrial customers.
Undercarriage Production Added
The factory expanded its production lines to include undercarriage components for a wide range of Chinese and international equipment brands.
Business Scope Expanded
Production expanded into petroleum machinery spare parts. With greater capacity, upgraded equipment and deeper manufacturing experience, the factory developed into a specialized machinery company.
Professional Manufacturing Recognition
Lianyou was appointed to manufacture petroleum machinery components for Xinjiang Petroleum No. 3 Tool Factory. The company implemented an ISO 9001 quality system and received certification in May 2005.
Quality System Upgraded
The company upgraded its quality management system to ISO 9001:2015, strengthening process control, inspection and continuous improvement across production.