... : cast iron, cast steel, alloy, alloy steel, alluminium, copper, brass, harden metal ...Tools:CNC machinig centers, large gantry machining centers ... CNC lathes, precision casting equipment...Process:precison casting, investment casting, die casting, gravity casting, sand casting, forging, CNC precision maching, ... description.Your enquiries are fully appreciated. OEM customized axle bearing for trains