We are looking for a supplier who can supply us the following chemicals: 2012 Metric Tons Aluminium Sulphate ( Alum ) 600 Metric Tons Sodium Carbonate ( Soda Ash ) 950 Metric Tons of Calcium Hydroxide ( Hydrated Lime ) 55 Metric Tons of Copper Sulphate ( Blue Stone ) 58 Metric Tons of Calcium Hypochlorite ( HTH ) 10 Metric Tons of Potassium Permanganate