These gate valves were made for our Italy customer ,the material is GGG40 ,we can make casting ,machining ,painting .... We are very famous foundry in north China ,we can manufacture all kinds of castings according to client's requirements ,the material could be GG20,GG30,GGG40,GGG60 and so on .The following is the GATE VALVES produced for our Italy customer. GATE VALVA