Hello sir I am from Bangladesh, I have a Aluminum Sulphate manufacturing plant , where I produce 14-17% Aluminum sulphate , acidity is 3.0-4.5, insoluble matter is below 0.3%, Iron content is below 0.5%, product appearance white or off-white , lamp and powder both size is available. already we have a large market in my country and are in leading position. But now I want to interested in export. promise I can give you best product in minimum price. So I think if you make a business with me you will also gainer. If you have any query fell free to contact with me by mail or phone.