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Hangzhou Haiwo Fluid Control Equipment Co., Ltd. – Specializes in electric control valves including CV3000 series, pneumatic/electric control valves, and self-operated regulators. Products feature top-guided structure, compact design, low pressure loss. Serves paper, chemical, petrochemical, power, metallurgy industries. Holds multiple patents. Website: [Contact via industry channels]
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Yongjia Yuliu Intelligent Control Equipment – Located in Yongjia County's "Valve Town," offers motorized two-way control valves, electric regulating valves, and control butterfly valves. Applications in power, metallurgy, food, petrochemical, paper, chemical industries. Website: [Contact via industry channels]
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Shanghai Valve Factory Co., Ltd. (SVF) – Century-old manufacturer offering motorized two-way valves with electric actuators for nuclear energy, oil & gas, and chemical processing. Pressure ratings 150-4000 lb. Website: https://www.svf.sh.cn
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Beijing Tianzhu Valve Factory – Founded 1976, offers motorized control valves and actuated valves for district heating and industrial applications. ISO9001, ISO14001, ISO18000 certified. Website: [Contact via industry channels]
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Tanggong Valve Group – Offers motorized two-way valves with electric actuators in various materials including carbon steel, stainless steel, and exotic alloys. Pressures 0.1-42 MPa. Website: https://www.tanggongvalve.com
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Suzhou Neway Valve Co., Ltd. – Leading Chinese valve manufacturer offering motorized control valves for oil & gas and industrial applications. API certified. Website: https://www.newayvalve.com
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Chaoda Valve Group Co., Ltd. – Offers motorized two-way valves and control valves with electric actuation. Certified ISO 9001, API 6D, CE/PED. Website: https://www.chaodavalve.com
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DERVOS VALVE – Offers motorized two-way valves in carbon steel and stainless steel with electric actuators. CE, ISO9001 certified. Website: https://www.dvsvalve.com
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Zhongcheng Valve Group – Established 1998, offers motorized control valves for power, petrochemical, and HVAC applications. Certified ISO9001, CE, TS. Website: [Contact via industry channels]
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Ningbo Pntek Technology Co., Ltd. – Manufacturer of industrial valves including motorized two-way valves for various applications. 90% on-time delivery. Website: [Contact via industry channels]