Jinan Haoyang Casting and Forging has launched high-chromium composite forged steel balls, with chromium content ranging from 10% to 15%. The surface hardness is HRC 55+, the core toughness is ≥ 12J/cm², the wear resistance is enhanced by 2 times compared to carbon steel balls, the ball consumption is reduced by 40%, the breakage rate is ≤ 0.3%, and the per-ton grinding cost is reduced by 15 yuan. The product has obtained 3 patents and has been applied in enterprises such as Zijin Mining. In the third quarter of 2025, the sales volume of high-end forging balls will increase by 22%, the export volume will reach 8 million US dollars, and full-sized customization from 20mm to 100mm can be provided.