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CSV Profile

China Valves Technology (Changsha) Co., Ltd. is a subsidiary of CVVT, and its predecessor is Changsha Valve Factory (founded in 1958) which was renowned among Chinese valve manufacturers, with the registered capital of 10 million U.S. dollars and a total investment of 25 million U.S. dollars. The company covers 133334 m2, with two plants operating at the same time, with 16000 m2 modern workshops and the advanced manufacturing, processing and testing equipment. There are more than 70 sets of large and heavy manufacturing and processing equipment in the company, such as the 8 m vertical lathe, large-scale rolling machine, T6216D large-scale high-precision digital-display floor boring lathe, special double-ended boring lathe for 4800 mm precise combination valve, 120T and 100T travelling cranes, DC welding machine, 1250 automatic arc-submerging welding machine, internal and external grinding machine introduced from Sweden, etc., and more than 40 sets of physical and chemical detection equipment, including the spectrometer, universal tensile testing machine and roughmeter, etc.

The company mainly designs and manufactures the counterweight type and accumulator type hydraulic control check butterfly valves, dual-seal butterfly valve, metallic hard sealing butterfly valve, sleeve control valve, plunger valve, fixed cone valve, rubber seal butterfly valve, quick-closing butterfly valve, vacuum butterfly valve and large-diameter spherical valve and other high-tech valve products, with the diameter from DN80 mm to DN7000 mm and the pressure from PN0.05 MPa to PN16.0 MPa, of which a number of products fill the gap domestically. And the hydropower spherical valve has won the Gold Prize of Fifth China International Fluid Machinery Exhibition. The registered trademarks include the “CSV” series butterfly valve and “POLYJET” series control valve. The products are widely used in the national large and medium key projects in the hydropower, thermal power, water diversion, water plant, metallurgy, heating supply, irrigation, petrochemical, etc., and have been exported to more than 30 countries and regions such as the United States, Brazil, Turkey, Vietnam, Korea, Japan, Myanmar, India, Ethiopia, Zambia, Pakistan, etc.

Through the development and accumulation of more than 50 years, with outstanding product quality and perfect service system, the company has been widely accepted by users and customers and established good corporate image in the valve industry with the brand recognition escalating year after year. The company has passed ISO9001 Quality Management System Certification, National Industrial Products Production License, CE Certification of EU, Production License for Special Equipment, ISO14000 Environmental Management System Certification, OHSAS18001 Occupational Health and Safety Management System Certification, Safety Standardization Enterprise Certification, etc., and has won the honorary titles such as "National Excellent Supplier of Hydropower Equipment", "Famous-Brand Product in Hunan", " Enterprise of Honoring Contracts and Keeping Promise in Hunan”, "AAA Grade Credit Enterprise in Hunan", "AAA Grade Quality Credit Enterprise in Hunan", "Innovative Enterprise in Changsha" etc.

China Valves Technology (Changsha) Co., Ltd. is rooted in the economic growth center with global urban competitiveness rapidly enhancing, and always upholds the spirit of enterprise to be “pragmatic, dedicated, honest and Devoted”, carries the great dream to "build a famous valve brand in the international valve industry", adheres to the principle of considering the satisfaction of customer needs as the basis of survival and the seeking of continuous improvement as the driving force, and keeps moving forward to build an international high-end valve brand.

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