国光股份：公司主要从事植物生长调节剂为主的农药制剂和高端水溶性肥料的研发、生产和销售

Group 1 - The company primarily engages in the research, production, and sales of pesticide formulations focused on plant growth regulators and high-end water-soluble fertilizers [1] - Plant growth regulator formulations and water-soluble fertilizers are essential agricultural products, showing low sensitivity to macroeconomic influences and low demand elasticity [1] - The market for plant growth regulators and water-soluble fertilizers is still in a phase of application promotion and continuous sales growth, lacking significant cyclical characteristics [1]