1979
Established Huanglou Village Steel Ball Factory, mainly producing forged steel balls.
1986
Renamed to Yidu County Steel Ball Factory, expanding manufacturing capabilities.
1990
Introduced casting process; commissioned the first coke furnace for cast steel balls and cylpebs.
1997
Restructured into a private enterprise, fully boosting operational vitality and agility.
1999
Upgraded to medium-frequency electric furnaces for customized multi-alloy grinding media.
2006
Annual casting capacity reached 30,000 tons, achieving a major leap in quality and output.
2008
Eliminated coal/coke furnaces, 100% upgraded to clean electric melting for eco-reform.
2011
Established foreign trade department, exporting to Europe, North America, Africa, and Asia.
2012
Commissioned first hot-rolling production line along with 20+ sets of advanced forging equipment.
2014
Launched first fully automated casting line with cutting-edge smart manufacturing equipment.
2024
Annual production capacity reached 325,000 tons, solidifying our position as a global industry leader.
