Shandong Sanfeng Group Co., Ltd Company profile As the largest aluminium sulphate production and exportation base in Asia, Shandong Sanfeng Group Co., Ltd is located in the beautiful tourism city of Zibo,and stands by National Road 205 and Zibo railway. The location enjoys most convenient transportation by closing to Port of Tianjin to the north and Port of Qingdao to the east. As a private chemistry enterprise that specialized in manufacturing aluminium sulphate...