China. Liang Gong Valve Co., LTD. is a non-regional joint-stock enterprise .which is specialized in research, manufacture, and sales of industrial valves . Liang Gong Valve Co., LTD established in years of 1988 , covers an area of 20000 square meters , with 245 employees , 50 advanced technicians and 10 senior engineers. It is located in the beautiful Wenzhou City Zhejiang Province . which is only 500meters away from Wenzhou Airport . With this advantages , Liang Gong Valves invited many foreign guests to come to our factory for a visit . Liang Gong Valve Co., LTD has its branchs of Zhejiang Kaike Valve Co., LTD , Shanghai Jitai Valve Co., LTD , Yun He Co., LTD .China Liang Gong Valve Co., LTD . Liang Gong Valve produces ANSI/API, JIS, DIN, BS, EN, and GB, JB, HG standards valves for Oil and Gas industry, Petrochemical industry and Natural gas industry. Etc. Besides it has obtained certificates such as ISO 9001, API, CE, Fire Safe Test, ISO1400, OHASI 8001, and AZ. It is the member of the first class network supplier of China Petrol and Natural Gas Group, standing committee of China Valve Industry Association. Liang Gong Valve is a member of China Valve Industry Association and the designated producer of Sinopec. In 1996 it passed the accreditation of ISO9002 International Quality Management System. Besides, it was granted the qualified certificated of the Ministry of Electric Power.