Valve Manufacturing Co., Ltd. Shanghai Open Liang

Valve Manufacturing Co., Ltd. Shanghai Open Liang, is a valve research, development, production, sale, installation and service in one of the major integrated valve manufacturers. Company through the ISO9001 system certification, product quality, variety complete, the domestic industry leader. Our main products are gate valve, ball valve, safety valve, relief valve, vacuum valve. We are guided by honesty, credibility, fairness, professional business management, ongoing product innovation, to become the leader in the field of Shanghai valve.