Suzhou Neway Valve Co., Ltd.
Core Products: Full-range safety valves, high-temperature/pressure power station valves, nuclear-grade safety valves, cryogenic safety valves
Highlights: comprehensive valve manufacturer; listed (603699); 25+ yrs; 100,000+ tons annual output; API/ASME/ISO; serves CNPC, Sinopec, State Grid; nuclear safety class 1–3 qualified
Certifications: ISO 9001, API 520/526, ASME, CE, PED
Shanghai Qizhong Valve Manufacturing Co., Ltd.
Core Products: Spring-loaded safety valves, boiler safety valves, gas safety valves, flange safety valves
Highlights: Leading domestic safety valve specialist; 20+ yrs; 80,000 units/year; advanced CNC & testing; widely used in petrochemical, power, heating; key national project supplier
Certifications: ISO 9001, API, CE, PED, GB
Shanghai Valve Co., Ltd. (SF)
Core Products: High-end industrial safety valves, nuclear safety valves, power station safety valves, bellows safety valves
Highlights: Century-old national brand; founded 1921; national safety relief valve standard setter; nuclear power (Hualong One) supplier; extreme condition tech leader
Certifications: ISO 9001, API, ASME, Nuclear Safety License
China Nuclear Su Valve Technology Co., Ltd.
Core Products: Nuclear-grade safety valves, high-pressure safety valves, petrochemical safety valves, special material safety valves
Highlights: Nuclear safety valve leader; CNNC subsidiary; nuclear grade 1–2 certified; 30+ yrs; serves all domestic nuclear plants; high-temperature/pressure resistance
Certifications: ISO 9001, Nuclear Safety Class 1/2, API, ASME
Shanghai Guanlong Valve Co., Ltd.
Core Products: Water system safety valves, fire safety valves, HVAC safety valves, low-pressure safety valves
Highlights: Water & fire safety valve expert; 25+ yrs; 60,000 units/year; leading in municipal water/HVAC; stable performance; cost-effective
Certifications: ISO 9001, CE, FM, UL, GB
Jiangsu Shentong Valve Co., Ltd.
Core Products: Metallurgical safety valves, nuclear safety valves, butterfly safety valves, special industrial safety valves
Highlights: Metallurgical & nuclear segment champion; listed (002438); 20+ yrs; 70%+ metallurgical market share; nuclear-grade qualified; high reliability
Certifications: ISO 9001, Nuclear Safety License, API, CE
Chaoda Valve Co., Ltd.
Core Products: Hard-sealed safety valves, wear-resistant safety valves, high-pressure safety valves, standard safety valves
Highlights: National "Little Giant" enterprise; 20+ yrs; 113+ standard formulations; metal hard-seal tech; petrochemical/chemical focus
Certifications: ISO 9001, API, CE, PED
Harbin Electric Valve Co., Ltd.
Core Products: Power station safety valves, thermal power safety valves, boiler safety valves, high-temperature safety valves
Highlights: Power station safety valve specialist; 1954 founded; HE Group subsidiary; supercritical/ultra-supercritical unit supplier; 1000MW+ unit experience
Certifications: ISO 9001, API, ASME, Power Station Qualification
Since 1958, Hangzhou Worldwides Valve Co., Ltd. has been a leader in process efficiency and energy conservation for the process industry, with over five decades of experience building steam engineering and control instrumentation solutions. Our unique complementary strength allows us to design and offer industry-specific solutions that focus on energy conservation and process efficiency for diverse sectors. Our knowledge, innovative solutions, reliable products, and global presence make us a trusted partner.
Hangzhou Valve has evolved into a leader in process efficiency and energy conservation through technology tie-ups and focused investments in manufacturing and research. We design and manufacture a wide range of advanced technology products including reducing desuperheater systems, desuperheater systems, safety valves, control valves, and all sizes of high-pressure rated valves that are capable of meeting today's tough environmental and legislative demands.
We consistently bring new and innovative products to the market, offer customized solutions to our customers, and keep customer satisfaction as our core value. We satisfy all end-use industries and comprehensive customer requirements by adhering to the most demanding quality and technical standards. To date, Hangzhou Valve is capable of providing solutions in process efficiency, energy conservation, and environmental protection to meet the ultimate demands of customer satisfaction, especially in quality, cost-effectiveness, and services for every industry.
Jiangnan Valve Co., Ltd.
Core Products: Industrial safety valves, marine safety valves, gas safety valves, custom safety valves
Highlights: Marine & industrial safety valve expert; 25+ yrs; 50,000 units/year; CCS/DNV; offshore platform/shipbuilding focus
Certifications: ISO 9001, CCS, DNV, API, CE
