1. Suzhou Neway Valve Co., Ltd. – Leading butterfly valve manufacturer for oil & gas, petrochemical, power generation, and water treatment. Full range of butterfly valves with various seat materials and actuation options. API certified. Website: https://www.newayvalve.com -8

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

  3. Tanggong Valve Group – Offers comprehensive butterfly valve range with wafer, lug, and flanged configurations. Materials: cast iron, carbon steel, stainless steel, exotic alloys. Pressures 0.1-42 MPa, diameters DN6-4000mm. Website: https://www.tanggongvalve.com -8

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

  5. Chaoda Valve Group Co., Ltd. – Manufacturer of butterfly valves including metal-seated and soft-sealed designs. Certified ISO 9001, API 6D, CE/PED. Website: https://www.chaodavalve.com -8

  6. DERVOS VALVE – Offers butterfly valves in various materials including carbon steel, stainless steel, and alloy steel. API6D, CE, ISO9001 certified. Supports orders from single unit. Website: https://www.dvsvalve.com -10

  7. VALTECCN Valve – Formerly Tianjin TKT Valtec, offers butterfly 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] -8

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

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

  10. Guangdong Dkv Valve Co., Limited – Offers electric control valves and specialty valves including butterfly valve configurations with electric actuation. 100% on-time delivery. Website: [Contact via industry channels]