coated sand casting machining parts 1.Grey casting;Ductile casting 2. ... ,220,260,300,350; NF-FGL150,FGL200,FGL250,FGL300,FGL350 Green-sand moulding;Resin-sand moulding;shell-core cast;electric surface ... -12,FGS 400-12,FGS500-7,FGS600-3,FGS700-2;Green-sand moulding;Resin-sand moulding;shell-core cast;electric surface ...