Our campany have been doing the export for more than twenty years. We got the best quality and the competitive price. We mainly deal with the Frac tank unions. hammer unions and the various vavles exportation, You might have interests in our Frac tank union, hammer union, frac hose , valves and other products. Tang Shan Hong Yuan Valve Industry Co., LTD is a professional valve manufacturer, supplier and distributor. We export the best quality products to many countries. We can make various items according to customers' CAD details. Our advantage also lies in that we have our own casting foundries，machining workshops and assembly workshop. We produce all kinds of castings, such as gray casting iron, ductile casting iron, lost-wax ste...
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