Orion Chem Private Limited manufactures 2, 2 inches 4, 4 inches Tetra Nitro Oxanilide. Orion Chem Private Limited offers chemicals used by Ordnance Factories and other defence organizations, working under Defence Research & Development Organization. 2, 2 inches 4, 4 inches Tetra Nitro Oxanilide is used as ingredient in pyrotechnic composition. Salient features of this TNO are as follows: