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Suzhou Neway Valve Co., Ltd. – Leading Chinese valve manufacturer offering comprehensive gas valve range for natural gas transmission and distribution. API 6D, API 607, ISO 15848 certified. Products include trunnion ball valves, gate valves, and check valves for gas applications up to Class 2500. Serves CNPC, Sinopec, and major gas projects. Website: https://www.newayvalve.com
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Tanggong Valve Group – Offers gas valves in materials from carbon steel to stainless steel with fire-safe and anti-static designs. Pressures up to 42 MPa, sizes DN15-4000mm. Certified API 6D, CE/PED, ISO 15848. Website: https://www.tanggongvalve.com
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Shanghai Valve Factory Co., Ltd. (SVF) – Century-old manufacturer offering gas valves for natural gas and industrial gas applications. Pressure ratings 150-4000 lb, temperatures -196°C to +750°C. Website: https://www.svf.sh.cn
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SUFA Technology – High-tech enterprise under CNNC, offering gas valves for LNG and natural gas applications. Specializes in high-pressure low-temperature valves with cryogenic testing. Website: http://www.sufavalve.com
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Chaoda Valve Group Co., Ltd. – Founded 1984, offers gas valves including ball valves, gate valves, and plug valves for natural gas applications. Certified ISO 9001, API 6D, CE/PED, API 607. Website: https://www.chaodavalve.com
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Jiangsu Shentong Valve Co., Ltd. – Publicly listed manufacturer offering gas valves for petrochemical and natural gas industries. Metallurgical valves hold 70%+ domestic market share. Website: http://www.stvalve.com
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DERVOS VALVE – Offers gas valves in carbon steel, stainless steel, and alloy steel with fire-safe and anti-static features. API6D, CE, ISO9001, API607 certified. Website: https://www.dvsvalve.com
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CNNC Suzhou Valve Technology & Industrial Co., Ltd. – State-owned enterprise responsible for gas valves in major engineering projects. Specializes in high-integrity and specialty valves for gas applications. Website: [Contact via industry channels]
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VALTECCN Valve – Formerly Tianjin TKT Valtec, offers gas valves from 1" to 60" in various standards. Serves petrochemical and natural gas industries across 30+ countries. Website: [Contact via industry channels]
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Zhejiang Leadtek Fluid Technology Co., Ltd. – Offers gas valves and pipe fittings for natural gas applications. 75% on-time delivery, 66% reorder rate. Website: [Contact via industry channels]