← Back to manufacturers / LIANGGU VALVE GROUP CO., LTD. LIANGGU VALVE GROUP CO., LTD. China LIANGGU VALVE GROUP CO., LTD. is a comprehensive valve manufacturer, integrating product design, development, casting, forging, machining, assembly, and performance testing. Website https://www.chinalianggong.com Visit website Valve types (categories) Ball valves Bellows valves Butterfly valves Check valves Gate valves Globe valves Safety valves