Shandong kaitai group co., ltd. Is the largest manufacturer of metal abrasive in asia which integrates with technical research, development and production. Cooperating with material science & engineering college of shandong university and guided by experts and professors of metal abrasive field. The company has developed 8 series including cast steel shot, cast steel grit, steel cut wire shot, stainless steel shot, stainless steel cut wire shot, aluminium shot, zinc shot, copper shot, 80 kinds of abrasive products. The company could produces 250, 000 tons metal abrasive. Based on 300 million yuan (rmb) of fixed assets, with a yearly turnover of 500 million yuan (rmb). Kaitai steel shot abrasive (hongkong) co., ltd. Is in charge of overseas sales of steel shot, steel grit. The company is advanced & new technology enterprise of shandong province and national blasting & peening standardization technology committee unit. With strong technical force, advanced equipments like intermediate frequency induction furnace, centrifugal blasting machine and so on. The company could produces high strength, strong durability cast steel shot, cast steel grit through double quenching, tempering, screening and so on. The company has perfect quality control system. The company has introduced two ervin test machine from usa. Ervin test machine is mainly used for testing fatigue life of metal abrasive.