1. Suzhou Neway Valve Co., Ltd. – Leading gate valve manufacturer for oil & gas, petrochemical, power generation, and LNG sectors. Full range of gate valves with various trim options. API certified. Website: https://www.newayvalve.com -8

  2. Tanggong Valve Group – Offers comprehensive gate valve range with rising and non-rising stems. Materials: WCB, CF8, CF8M, stainless steel, titanium, nickel, zirconium. Pressures 0.1-42 MPa, diameters DN6-4000mm. Website: https://www.tanggongvalve.com -8

  3. Shanghai Valve Factory Co., Ltd. (SVF) – Century-old manufacturer offering gate valves for nuclear energy, oil & gas, and chemical processing. Pressure ratings 150-4000 lb, sizes from small to very large diameters. Website: https://www.svf.sh.cn -8

  4. Weflo Valve Co., Ltd. – Founded 1995 in Qingdao, public company offering fire protection valves including OS&Y gate valves UL/FM certified. Features fusion-bonded epoxy coating, NSF-61/NSF-372 certification for water systems. Website: https://www.weflo.com -8

  5. DERVOS VALVE – Offers gate valves in carbon steel, alloy steel, stainless steel, and duplex stainless steel. API6D, CE, ISO9001 certified. Website: https://www.dvsvalve.com -10

  6. Chaoda Valve Group Co., Ltd. – Manufacturer of gate valves including wedge gate and parallel slide designs. Certified ISO 9001, API 6D, CE/PED. Website: https://www.chaodavalve.com -8

  7. Jiangsu Shentong Valve Co., Ltd. – Produces gate valves for metallurgy, nuclear power, thermal power, and petrochemical industries. Metallurgical valves hold 70%+ domestic market share. Website: http://www.stvalve.com -8

  8. Zhejiang Leadtek Fluid Technology Co., Ltd. – Offers pipe fittings and valve products including gate valves. 75% on-time delivery, 66% reorder rate. Website: [Contact via industry channels] -6

  9. Ningbo Pntek Technology Co., Ltd. – Manufacturer of gate valves, ball valves, and pipe fittings. 90% on-time delivery, online revenue US$220,000+. Website: [Contact via industry channels] -6

  10. VALTECCN Valve – Formerly Tianjin TKT Valtec, offers gate valves from 1" to 60" in various standards (ISO, API, ANSI, BS, JIS). Serves power, petrochemical, water treatment, shipbuilding across 30+ countries. Website: [Contact via industry channels]