Group 1 - The company, Daosheng Tianhe (601026), operates in the "C26 Chemical Raw Materials and Chemical Products Manufacturing" industry, specifically under "C2659 Other Synthetic Materials Manufacturing" [1] - The company is one of the few in China that can master multiple formulations of basic chemical raw materials, possessing several core technologies, international certifications, and patents [1] - The technological accumulation and patent protection provide a competitive barrier for the company's products, making them difficult to replicate [1]