We are one chemical industrial enterprise specialized in producing high-grade raw materials in china . We provide a variety choice of raw materials and industrial chemical with comprehensive range according our success to our enduring efforts tosupply quality and cost-effective chemicals to our cuetomers. Aluminum Sulphate is our strongest export product ,we can supply it with first quality and at most competitive price in the international market The SPEC as follows : pecification: Al2O3 content 17-18% Analysis: As2O3 0.01%max Fe2O3 0.05%max Free acid none Water insolubles 0.1%max Size 1-10cm Packing: In plastic woven bags lined with plastic bags of 25kg net each. If you are interested in our products or other chemicals ,pls kindly contact us directly ,and we would like to avail ourselves of every opportunity to cooperate with you in your business extension