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Xinhai Valve has passed ISO9001-2001 international quality system certification to ensure the long-term stability of product quality, reliable, main products ball valves, butterfly valves, check valves, gate valves, globe valves, plug valves, filters, and other series, widely used petroleum, chemical, metallurgy, electric power, environmental protection and large-scale industry and other industries, welcomed the new and old customers units, business colleagues come to visit, todiscusscooperation.