Ceramic insert vaccum casting the wear spare parts by ceramic insert vaccum casting is high wear resistant, the life span is several times of the traditional material. the technology is suitable for production of blow bar, jaw plate, bowl liner, mantle/concave, grinding roller, liner, chute liner, hammer, and etc.... the technology is suitable for production of high manganese wear parts, high chrome wear parts, and alloy steel wear parts..Representative or partnership for invest, purchasing in china