China? Sanjiu Valve Co., Ltd. is located in Tangtou Industrial Zone, Jiangbei Street, Yongjia, known as the "hometown of pumps and valves in China". It is a modern manufacturing enterprise that integrates research and development, production, sales, and service. Its headquarters is located in Tangtou Industrial Zone, Jiangbei Street, Yongjia, Zhejiang Province. Sanjiu Company has established a marketing headquarters and a high-tech valve research and development center in Shanghai, the central city of the Yangtze River Delta. Sanjiu Valve specializes in producing a series of products with multiple specifications, including pneumatic, electric control valves, self operated control valves, pressure reducing valves, vacuum valves, safety valves, water control valves, and non-standard valves. These products are widely used in automation control systems for industrial sectors such as papermaking, chemical fiber, petrochemicals, petroleum, electricity, metallurgy, chemical engineering, environmental protection, light industry, pharmaceuticals, and building automation. Sanjiu Company strictly produces products in accordance with the ISO9001:2008 quality management system certification. Our products are exported to Southeast Asia, the Middle East, Europe, South America, Africa and other parts of the world, and are highly praised by domestic and foreign users. We have established long-term and stable cooperative relationships in the new 21st century. Sanjiu people always adhere to the business philosophy of "people-oriented, sincere service, quality driven enterprise, and technological innovation", vigorously promote the corporate culture of "innovation, persistence, integrity, and cooperation", and strive to build a learning oriented enterprise with leading concepts. Guided by market demand, in order to explore the national valve market, build the Sanjiu brand, and revitalize the development of national industry, we warmly welcome friends from home and abroad to visit our company for inspection and technical exchanges. I hope that through communication, Sanjiu Valve will become your trusted manufacturer.