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... More
Yongkang Lianggong Valve Co., Ltd.
Main Products: iron valve, ball Valves, Globe Valves and Gate Valves... More