Jiangyin JiBang Machinery Co., Ltd mainly produce various hardness level of specifications for ?20 mm - ?150 hot rolling�teel ball and other grinding media.�The company has advanced production line heat treatment line.�he products�f h ...

Jiangyin JiBang Machinery Co., Ltd mainly produce various hardness level of specification shot rolling steel ball and other grinding media.The company has advanced hot production line heat treatment line. The products ball, the strong toughness, high ...