金煤科技：子公司通辽金煤的草酸产品一直在满负荷生产

Group 1 - The core viewpoint of the article is that Jinmei Technology's subsidiary, Tongliao Jinmei, is operating at full capacity for its oxalic acid products, and an ongoing expansion project aims to optimize product structure while potentially reducing ethylene glycol production capacity by 50,000 tons annually and increasing oxalic acid production by 100,000 tons per year [2] Group 2 - The construction of the expansion project is nearing completion, and trial production is expected to begin shortly [2]