西陇科学：化学试剂使用场景由客户根据自身需求确定

Group 1 - The company, Xilong Science, primarily engages in the research, production, and sales of chemical reagents, as well as the production and sales of raw pharmaceuticals and food additives [2] - The company also participates in the trade of certain chemical raw materials, indicating a diversified business model within the chemical industry [2] - Chemical reagents are identified as one of the fundamental raw materials for industrial products, with specific usage scenarios determined by customer needs [2]