China Valves 1.Design: API6D, API600,ANSE B16.34 2.Material: ... ,CF8M,CF3M,Etc 3.Bolted Bonnet,Flanged Ends,Rising Stem. China Valves Cast Steel Electric Gate Valve,Bolted Bonnet,Flanged Ends ... contact with us, we will await your visit respectfully by the most competitive price, the best quality and the best service.