Supply cast: aluminium, astm a 217 c12a cast ings, cast iron castings for windbox,, feeder, coal nozzles (sg iron castings up to, 850 kgs), castings for oil field equipments:, carbon, alloy and stainless steel, qcnrv cast ings, hemi spehrical dished ends grade 91, hemi spehrical dished ends al loy s (EXPIRED)