wujia industry guanzhuang zhangqiu jinan,shandong Jinan, Shandong
ORIENTAL CASTING AND FORGING CO., LTD is one of the largest manufacturers and exporters for forged steel ball products in China, Our are mainly exported to USA, Canada, Chile, South Africa, Italy, Korea Japan more than 20 countries regions world. ...
grinding steel ball, forged steel ball, mdia balls, mill ball