... iron, cast steel, steel plates and steel pipes, especially used in shot blasting machine and penning machine.Main ChemistryChemistry(C) 0 ... cast steel shot is professionally manufactured by Wuxi LuHuan Co., Ltd in china mainland.Size: S70,S110,S170,S230,S280,S330,S390 ... , cast steel, steel plates and steel pipes, especially used in shot blasting machine and penning machine.Main ChemistryChemistry(C) 0 ...