Zibo GuangZheng Aluminum Sulphate Salt Co., Ltd, a subsidiary company of Zibo Mining Group, was founded in 1991. With an annual output of industrial aluminum sulphate 150 thousand tons and of non-iron 20 thousand, Our company now is the biggest aluminum sulphate production base in China, and was the first enterprise to pass ISO9002: 1994 Quality System Authentication in the same trade in 1998. In 2002, our company passed ISO14001:1996 environmental management system certification and successfully passed ISO9001: 2000 Quality Management System Certificate, and acquired Drinking Water Treatment License of Provincial Bureau of Health in the same year. In 2005, we got the import & export rights. With the stable quality and well-deserved reputation, our company has been repeatedly awarded the title of trustworthy enterprise in China.Our company insists on the popular business principle of science and technology, we have the crystallization patented technology of proprietary intellectual property rights and there are 16 qualified experts and 167 technical workers in our company, and also own first-class scientific research & production equipments, and our lab now is the teaching & test base of Shandong University of Technology. In addition, our company has established wide cooperation with domestic colleges and scientific research institutions. With scientific management and reliable quality, our company has been well accepted by the customers both at home and abroad.Our company produces the solid industry aluminum sulphate of laminated shape in buff color, and our products made from high quality bauxite, sulfuric acid, non-pollution ground water,and all the raw materials are completely provided by our own head company, and we adopt pressurization reaction technology to form the product which mainly used in the purification of potable water, industrial sewage, stuff sizing in paper industry, and as clarifying agent in oil production industry, and as deodorizat