Qingzhou City Taihong special steel limited company located at Shandong province Qingzhou City, covers an area of 50000 square meters, is set research, development, manufacturing in one of the grinding material company.With an annual output of high, medium, and low chrome multielement alloy cast ball, capsule balls, oval casting ball, casting and forging various specifications, ultra-fine grinding microspheres, micro forging 30000 tons.Liu Wantai general manager of the company is engaged in the earlier development of chromium grinding material is one of the founders, with Japan, the United States has repeatedly, Belgium and domestic experts, scholars study together, exchanges, explore, and has won a series of chromium alloy casting ball "outstanding new product technology development award", "award of progress of science and technology", "excellent three new product prize".Company production of "macro" brand casting ball, casting and forging the national steel material quality supervision station sampling qualified, and through ISO9002 international quality system certification.