I-Yuncheng Kangda Steel Ball Co, Ltd., kusukela kumhlangano omncane ngo-1998, ngemuva kokusebenza kanzima okungaphezulu kweminyaka engama-20, sithuthukise kancane kancane efektri yezinga elithile. Kusuka ekuqaleni kugxile kuamabhola ensimbi ekhabhoni, ukuze ugxile kamuvaUkuthwala amabhola ensimbina-amabhola ensimbi engagqwalinjengemikhiqizo esemqoka.
Ifektri itholakala eDong'a, Shandong. Ukusuka kwimishini embalwa yokukhiqiza kuze kube yi-130 manje, sithuthukise igxathu negxathu futhi sithathe wonke amakhasimende ngokungathi sína.
