... : silica sol and water glass process 2.Material:stainless steel,carbon steel,alloy steel,white steel,copper,brass or on request of customer3.Weight ... and free forging2.Material:gray iron,ductile iron,iron,carbon steel,white steel,steel,aluminum alloy,brass or on request of customer3.equipment ... CNC machine tools,Vertical machining centers,Turning center lathes etc Galvanized steel sheets and coils