Group 1 - The core point of the article is that Xilong Science Co., Ltd. has won a procurement project from Sinopec Catalyst Co., Ltd. with a bid amount of 1.792 million yuan for iron nitrate [1] Group 2 - Xilong Science (002584.SZ) reported a revenue of 7.816 billion yuan in 2024, with a revenue growth rate of 10.22% and a net profit attributable to the parent company of 62 million yuan, reflecting a net profit growth rate of 85.24% [2] - In the first half of 2025, the company reported a revenue of 3.368 billion yuan, with a revenue growth rate of -14.78% and a net profit attributable to the parent company of -75 million yuan, indicating a net profit growth rate of -276.35% [3] - The company operates in the materials industry, primarily dealing with inorganic chemical raw materials, with its 2024 revenue composition being 56.48% specialized chemicals, 22.63% chemical raw materials, 11.81% electronic chemicals, 7.92% general reagents, 0.68% raw materials for pharmaceuticals and food additives, 0.31% lithium battery cathode materials, and 0.16% other businesses [3]