... 3.Operation:sand casting 4.High pressure Iron Casting Pump Body1.Materials: ductile iron, grey iron2.Standard: ASTM ... 5 to 300kg7.Precision machining: CNC lathes, milling, drilling, planning, grinding machines and test facility Chemical composition controlled ... : pipes and its fittings, grating, frame, manhole covers, pump parts, handwheel, valve, flange, bollard, pilingaccessories, counterweight iron ...