... casting. Our factory provides products made in both ferrous and non-ferrous alloys (grey cast iron, ductile cast iron, alloy iron, carbon steel ... casting. Such as manhole covers and frames, handwheel, valve, iron grating, flange, street bollards, drill point for piling and other ... standard accords with DIN, JIS, ASTM, BS etc. Our factory can design and manufacture any new products for the customers ...