The Lianggong Valve Co.,ltd is located in Yongkang, which is under the jurisdiction of Jinhua city, Zhejiang province. Yongkang is known as the "Hardware City of China". People in our company inherit traditional craftsmanship and technology, and develop the Craftsman’s spirit. We have been carrying forward the cause pioneered by our predecessors and forge ahead into the future. After over 30 years' development, our company has grown into a comprehensive valve manufacturing company, which integrate research and development, production, marketing and service into one.
The company covers an area of 21,068 square meters, with 153 employees, including 3 senior engineers and 2 quality control engineers. Also, we 're well-equipped with all kinds of producing and testing equipment, including 84 processing devices, 22 testing equipment, material Spectroscope, material stretching testing machine, hardness testing device, ultrasonic thickness meter, metal metallographic analyzer, and other devices.
We process Production Line of Sand Molding Casting as well as integrated services of design, research and development, casting, processing, assemble, coating and customer service. The products with the registered trademark of “YONGLIN?”are widely used in the field of petroleum, chemical industry, food processing, metallurgy, building and pharmacy. In strict accordance with the standard of GB, JB, JIS, ANSI, KS, BS, DIN, API and etc., we produce many kinds of valves (ball valve, check valve, gate valve, globe valve, PTFEP-lined strainer, electro-valve and pneumatic valve), which are made of alloy steel, heat-resistant steel, stainless steel, carbon steel, nodular cast iron, gray cast iron. According to customers’ requirements, we can customize sealing sets (PTFE, Glass Fiber PTFE, SSPTEF, PPL, PEEK, DELRIN,VTION).
Over the years, our company has passed ISO9001 international quality system Authentication, ISO14001 Environmental Management System Authentication, 28001 Security Management System Authentication. Also, we’ve got TS Manufacture License of Special Equipment, and we are a member in the china valve Association.
We’ve established a good and long-term business relationship with companies from the United States, Spain, Italy, Germany, UK, Romania, Malaysia, Vietnam and Singapore and many other countries. We enjoy a good reputation at home and abroad. We’ve been adhering to the idea of “making working standard from the standpoint of customers, producing valves in better quality and providing perfect service”.