Shandong Kaitai Metal Abrasive Co.,ltd. is the biggest manufacturer of metal abrasive which integrates with technical research, development and production, Co-operating with Material Science & Engineering College of Shandong University and guided by experts and professors, the company developed 4series, 80 kinds of abrasive products. Based _disibledevent="http://www.kai-tai.com.cn/cp_en/cp.htm">Visiting workshop of cast steel shot, cast steel grit