Yongkang Lianggong Valve Co., Ltd. has more than 15 years experiences in R&D of Ball Valves, Globe Valves and Gate Valves, especially cast iron valves of those kinds. Its High-pressure Pipe Fitting Quality Assurance System has passed joint examination and acquired PRC Manufacture License of Special Equipment.
Currently, Lianggong"s ISO9001-certified facilities manufacture 5000 (per month) manual valves, which take titles of New Technique & High Quality Product, Popular Name Brand in Market, High Quality Valve, etc. The standards followed are API, ANSI, JIS, BS, DIN, GB, JB, etc. Various materials are available: cast iron, ductile iron, stainless steel, carbon steel, etc. The products are widely used in oil (gas) transmission pipeline, petrochemical, chemical, metallurgy, power plant, pharmacy, and other industries.

Lianggong has been making a commitment to being a better, more responsive valve supplier in the industry, a commitment to quality and service since its foundation. From concept, through engineering, manufacturing, installation and service, every valve reflects the company"s customer commitment. Altogether, Lianggong is your fine and reliable source for high quality valves that meet your demands.