SEVALIA CHEMICALS Address: Plot No. 5, B/H. Raghunath Hindi High School, L. B. Shastri Marg, Ahmedabad-382 345, Gujarat, India Contact Person: Mr. Laxman S. Patel (Proprietor) Manufacturer of Aluminium Ammonium Sulfate (Ammonia Alum), Aluminium Potassium Sulfate (Potash Alum), Sodium Cyanate (Technical), Sodium Bisulfate (Technical), Potassium Bisulfate (Technical)