Jinan Houde Abrasion Resistant Materials Co., Ltd. is based in China and lists Forged Grinding Media Ball For Ball Mill and Cast Grinding Media Ball For Cement Mill on Global Trade Plaza. The company, established in 1998, offers steel balls with specifications including surface hardness of HRC57-67 HRC, volume hardness of HRC56-64, impact toughness exceeding 12 J/cm², and a broken rate not higher than 1%. These products are described as having good wear resistance and lower wear rates, with raw materials developed in cooperation with the Chinese Academy of Sciences and steel plants, and heat treatment using closed cooling towers for effective quenching temperature control.