Zhengzhou Hai Shi Hong Valves Industrial Co.,Ltd is specialized in valves , in order to adapt to forms of development and necessary , we build series of designs,develop,manufacture,sales and service and professional manufacturing company . The factory located in technology-based Industrial Park ,it occupies an area of 80,000square meters , own 500employees ,annual turnover > 100million . The company manufacture large and heavy styles'advanced production ,also own the inspection ,measurement,assay,experiment and so on .Over the years , the company develop many kinds of new valves and win 19 items'Natuional patent . The company could designs and develop the model and the request of client by ourself and the production is recommend by water Association ,it belongs to the country's power sector ,fixed-point business .also won the Quality products and scientific achievement award several times ever .In 1998 ,our production have been approved by ISO9001 . Our main market :Canada, Germany,Malaysia,Europe and so on .and the main production include Ball valve ,gate valve, globe valve,butterfly valve,Diaphram valve ,Air release valve,check valve,safety valve.Knife Gate Valve .The products have been greatly recognized by users in the areas of water, electric power, petroleum, natural gas, long distance pipeline, chemical, pharmaceutical, city planning, smelting, etc.Committed to the philosophy of "to live on quality and to win users' trust by honesty", we sincerely hope friendly cooperate with customers on the basis of superior of superior quality, competitive prices and excellent after-sale service, striving for joint resplendence.