Annual production: 1,000 tons of tetrahydrophthalic anhydride, 200 tons of Phenylphosphonic dichloride, 6,493 tons of 30% hydrochloric acid (by-product), 4,289 tons of waste C5 (by-product), 145 tons of p-toluidine (by-product); R&D and production of epoxy curing agents such as methyl tetrahydrophthalic anhydride and methyl hexahydrophthalic anhydride (excluding hazardous chemicals); sales of self-produced products and technical consulting services; warehousing services; leasing of own premises.