DWMC.Founded in 1954, DWMC is a specialized safety valve manufacturer with over 160 employees and a 30,000-square-meter production base equipped with advanced facilities including a 450°C/25MPa hot testing rig. The company holds ISO 9001/14001/18001 certifications, with products strictly adhering to international standards such as GB, API, and ASME. Annual production capacity reaches 30,000 units. Core products encompass six major categories including the American Standard WF Series and nuclear-grade safety valves, covering nominal diameters from DN15 to DN500 and pressure ratings from 0.04 to 76.0 MPa. Delivering military-grade quality to nuclear power, refining, and other sectors, the company has become an industry benchmark supplier.