JN VALVES.Founded in 1985, JN VALVES employs over 400 staff and stands as one of China's leading valve manufacturers. The company has obtained certifications including ISO9001, EU CE, American API 6D/600/609, TS, Zhejiang Manufacturing Standard, and Intellectual Property Management System. It holds qualifications for nuclear power equipment design and manufacturing, along with certification under the National Military Standard system. JN VALVES' supersonic wind tunnel pressure regulating valves have made significant contributions to aerospace engine testing. Its nuclear reheat dual valve assemblies, as China's first exported product of this type, are deployed in nuclear power projects such as Pakistan's Chashma plant. Key products include: electro-hydraulic actuated quick-closing butterfly valves, high-temperature regulating metal-sealed butterfly valves, rubber-sealed butterfly valves, piston-type axial flow regulating valves, single-seat regulating valves, cage-type control valves, GSD bidirectional PTFE-sealed butterfly valves, gate valves, globe valves, floating ball valves, fixed ball valves, swing check valves, nuclear reheat double valve assemblies, nuclear extraction steam check valves, nuclear butterfly valves, nuclear gate valves, fuel transfer system gate valves, vacuum relief valves, High-Temperature Control Metal-Sealed Butterfly Valves, Electro-Hydraulic Interlocked Quick-Closing Butterfly Valves, Steam Extraction Check Valves, RLD Large-Diameter Seawater-Resistant Butterfly Valves, Steam Make-Up Valve Assemblies, HV Boiler Feed Pump Turbine Switching Valves, HBH Hydraulic Slow-Close Metal-Sealed Butterfly Check Valves, Hydraulically Controlled Butterfly Valves, Bidirectional Sealed Vacuum Butterfly Valves, High-Pressure Gate Valves, High-Pressure Globe Valves, High-Pressure Check Valves, High-Temperature Control Metal-Sealed Butterfly Valves, Rubber-sealed butterfly valves, center-line rubber-lined butterfly valves, gate valves, globe valves, floating ball valves, fixed ball valves, swing check valves, fluoroplastic-lined valves, direct-burial fully welded ball valves, fully welded pipeline ball valves, fixed ball pipeline ball valves, pigging ball valves, slab gate valves.