... ferrous and non-ferrous alloys (grey cast iron casting, ductile cast iron casting, al Our factory provides products made ... non-ferrous alloys (grey cast iron casting, ductile cast iron casting, alloy iron casting, carbon steel casting, alloy steel casting, stainless steel casting ... pump parts,manhole covers and frames, handwheel, valve, iron grating, flange, street bollards, drill point for piling and ...