CRYSTAL QUINONE PVT. LTD. Address: Regd. Office : Plot No. 143, Phase-II, G.I.D.C. Estate, Vatva, Ahmedabad-382 445, Gujarat, India. Factory : Monochem Industries C-1 / 372, Phase-II, G.I.D.C. Estate, Vatva, Ahmedabad-382 445, Gujarat, India. Other Address : Factory : Plot No. A / 20, Phase-II, G.I.D.C. Estate, Vatva, Ahmedabad-382 445, Gujarat, India Contact Person: Mr. Anang K. Shah (Director), Mr. Girish Patel (Production Manager), Mr. Shikhir Agrawal (General Manager) Manufacturer of Vinyl Sulphone Derivatives, Antioxidant for Food & Polymer