1 Material:Steel,iron... 2 Process:investment casting lost wax 3 25 years casting experience 4.ISO9001-2000 certified Investment casting foundryFeatures: Material: carbon steel, stainless steel, heat-resisting alloy steel,grey iron,malleable iron,ductile iron,Aluminum,brass,kinds of metal materials Standard: JIS, DIN, ASTM, BSWeight: 0.01-500kgProduction process: water glass and silica sol ...