Zhejiang Xinhai Valve Manufacturing Co., Ltd. is a professional company producing all kinds of valves, main products include ball valves, butterfly valves, check valves, gate valves, globe valves, plug valves, filters and other 20 kinds of models over 300 specifications. All valves all preclude the use of national standards, widely used in water, oil, steam and other media. The companies adopted the IS09001: 2008 quality management system certification.