Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd 18 Years focus on development and production of grinding media Casting quality with strength, Forging glory with integrity
75mm 80mm 120 mm 130mm 140mm High Carbon Hot Rolling Steel Balls Description: Through rolling technology. Hot-rolled steel balls are formed by heating ...