BNSV VALVE butterfly valves.BNSV VALVE is located in Baodi Jiuyuan Industrial Park in Tianjin, on the coast of the Bohai Sea, and is a non-regional enterprise integrating valve research and development, production, sales and service.BNSV VALVE has successively passed the certifications of ISO9001 Quality Management System, ISO14001 Environmental Management System, GB/T45001 Occupational Health and Safety Management System, and European Union CE, etc. BNSV VALVE's leading products include butterfly valves, gate valves, eccentric half ball valves, exhaust valves, flow regulating and pressure regulating valves, water hammer protection equipments, expansion joints and other series, which are energy-saving and environmentally friendly. With the strength of designing and manufacturing large-scale valves, many products have become the benchmark of the industry and are applied in large-scale engineering projects. The products are widely used in long-distance water transmission, water supply and drainage, petroleum, chemical, power plant, air conditioning, piping system and other water supply areas.