... Product name: Grey cast iron parts . Material: GG 20, GG25 Surface treatment: Sand blasting , Painting ,Galvanzing Product name: Grey cast iron ... parts . Material GG 20, GG25 Surface treatment: Sand blasting , Painting ,GalvanzingProduct weight: 0.5 kgs - ... manufacturer of pig iron, we have saved the costs with short-flow process for the casting. and our prices shoud be ...