In terms of raw materials: high-quality raw materials have been selected and scientific chemical composition ratios have been formulated. Strictly control the casting temperature and casting speed. In terms of production process: advanced automated iron mold coated wear-resistant ball production system and resin sand casting system production process are adopted. In terms of heat treatment process: it has various heat treatment quenching methods such as oil cooling, water cooling, air cooling, and water quenching liquid cooling. It can be designed according to different materials to ensure stable and excellent product quality.