Aluminum Sulphate список импортных компаний из Мавритания

We need the following product: Aluminum sulphate in granulated form of white color - used as a coagulant in the treatment of water intended for human consumption - the alumina content: 17% minimum - passing through the sieve with an opening of 0.1 mm: 15% maximum - iron content (maximum): 1,000 Mg/Kg of the commercial product - insoluble content (maximum): 5000 Mg/Kg of the commercial product - packaging in 50 Kg bag - Al203 dosage: 17% minimum Quantity: 1,500 tons per order