Tanggong Valve Group, established in 1990 with a registered capital of RMB 468 million, is a premier professional enterprise integrating the R&D, manufacturing, and sales of valves. Headquartered in Longwan District, Wenzhou—known as“China’s Valve City”—the group operates nine subsidiaries.

As a professional valve manufacturer integrating scientific research, development, production and sales, the Group is located on the coast of the East China Sea in Longwan District, Wenzhou City — known as the "China Valve City". It covers a total plant area of 175,000 square meters and a building area of 204,900 square meters.

At present, the company has more than 2,200 employees, including 80 senior and intermediate engineers and 687 professional and technical personnel.