1.High hardness:60-65HRC 2.No breakage 3.Even wearing 4Good ... Hua Fu Forging Co., Ltd. has 10 years of experience in ball production, the products are exported to South America, ... , Finland, Russia, Japan, South Korea and other countries, production in strict accordance with the ISO9001 international quality system standard production ... The best forged steel grinding balls for ball mill made in China