1. Suzhou Neway Valve Co., Ltd. – Leading Chinese ball valve manufacturer founded 1997. Full suite of ball valves including floating, trunnion, and multi-port designs. Serves oil & gas, petrochemical, LNG, subsea, and nuclear energy. First in China to obtain API 6DSS monogram for subsea valves. Website: https://www.newayvalve.com -8

  2. Tanggong Valve Group – Comprehensive ball valve manufacturer in Wenzhou's "Valve City" with 175,000 m² facility, 2,200+ employees. Offers ball valves in materials from cast iron to exotic metals (titanium, nickel, zirconium). Pressures 0.1-42 MPa, temperatures -196°C to 730°C. Website: https://www.tanggongvalve.com -8

  3. SUFA Technology – High-tech enterprise under CNNC offering high-pressure low-temperature ball valves for LNG maritime applications. Partnered to develop LNG ship high-pressure low-temperature ball valve passing 2000 cycles of cryogenic testing. Website: http://www.sufavalve.com -8

  4. Shanghai Valve Factory Co., Ltd. (SVF) – Century-old manufacturer offering ball valves for nuclear energy, oil & gas, and chemical processing. Pressure ratings 150-4000 lb, temperatures -196°C to +750°C. Website: https://www.svf.sh.cn -8

  5. Jiangsu Shentong Valve Co., Ltd. – Publicly listed manufacturer specializing in ball valves and butterfly valves. Nuclear-grade ball valves hold 90%+ domestic market share. Serves metallurgy, nuclear power, thermal power, petrochemical. Website: http://www.stvalve.com -8

  6. Chaoda Valve Group Co., Ltd. – Manufacturer of metal-sealed and soft-sealed ball valves. Certified ISO 9001, API 6D, CE/PED, API 607. Exports to Europe, Americas, Asia-Pacific, Middle East. Website: https://www.chaodavalve.com -8

  7. DERVOS VALVE – Offers ball valves in carbon steel, alloy steel, stainless steel, duplex stainless steel, and specialty alloys (20 Alloy, Aluminum Bronze). Materials: WCB, CF8, CF8M, CF3, CF3M, A105, F304, F316. API6D, PED CE, UKCA, EAC, API607, ISO9001 certified. Website: https://www.dvsvalve.com -10

  8. Weflo Valve Co., Ltd. – Founded 1995 in Qingdao, public company offering ball valves for fire protection and industrial applications. UL/FM certified options available. Website: https://www.weflo.com -8

  9. Zhejiang Leadtek Fluid Technology Co., Ltd. – Specializes in pipe fittings and ball valves. Offers brass ball valves starting at $7.82 with flexible MOQs (as low as 1 piece). 75% on-time delivery, 66% reorder rate. Website: [Contact via industry channels] -6

  10. Ningbo Pntek Technology Co., Ltd. – Manufacturer of ball valves, gate valves, and pipe fittings. 90% on-time delivery, online revenue US$220,000+. UPVC ball valves from $0.35/unit at MOQ 1 piece ideal for prototyping. Website: [Contact via industry channels]