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
GENERAL DESCRIPTION Manufacturer : Jinan zhongwei Feature of Jinan zhongwei hot rolling steel balls as follows : 1) . High Hardness : Surface hardness...