... -001Description:Mining Machinery Parts material:China HT200,HT250,HT300QTmolding process:wood, foam, aluminumproducting process: resin sand processing and sandSpecification: ... good steel degree,The precision reaches the national standard.The machine tool body, workbench and column forms are cast using HT300 ... ,with good steel degree and wear-resisting property. CNC lathe machine casting bed