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www.lygsoda.com.cn hangzhou zhongke valve co., ltd. is a professional manufacturing enterprise of various industrial process control valves and related automatic control equipment. we have always been committed to the development and production of industrial process control valves and related equipment. we are a technology-based enterprise integrating scientific research and development and manufacturing operations. the company specializes in manufacturing products of multiple series and specifications such as pneumatic regulating valves, self-operated regulating valves, electric regulating valves and process valves. it is widely used in automation control systems in industrial departments such as papermaking, chemical fiber, petrochemical, petrochemical, petroleum, electricity, metallurgy, chemical industry, environmental protection, light industry, pharmaceutical, building automation and other industrial departments. 2025-03-11