The main material we use including super austenitic stainless steels, super duplex stainless steels, high manganese steel, carbon steel, alloy steel, Hastelloy alloy, nickel & cobalt-based alloys, high chromium cast iron, ductile iron, gray iron and so on. The casting tolerance is controlled within 0.1-0.2mm. The weight range of our precision casting is from 10g to 120kg while that of our shell mold sand casting is from 5kg to 150kg.