... and non-ferrous alloys (grey iron casting, ductile iron casting) Materials: Gray iron, ductile iron, carbon steel, stainless steel, ... BS, DIN, EN, ISO Operation: Green sand casting and resin sand casting Surface finishes: Sand blasting, oiled, zinc, nickel, chrome plating, ... valve, flange, bollard, piling accessories, counterweight iron, construction machinery parts and other industry machinery parts.