兴化股份：目前公司主营业务为煤制合成氨等的生产和销售

Group 1 - The core business of the company has shifted to the production and sales of coal-based synthetic ammonia, methanol, methylamine, DMF, ethanol, and methyl acetate [1] - The ammonium nitrate business was divested during the restructuring process in 2016 [1]