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