海联讯：杭汽轮工业汽轮机产品主要用于石油、炼化、煤化工、纺织等领域

Group 1 - The core viewpoint of the article highlights that Hailianxun (300277.SZ) has confirmed the primary applications of Hangzhou Steam Turbine's turbine products in various industries, including oil, refining, coal chemical, textile, metallurgy, cogeneration, and large power plant support [2] Group 2 - The turbine products are utilized in sectors such as oil and refining, indicating a diverse market presence [2] - The company is involved in industries like coal chemical and textile, showcasing its broad operational scope [2] - The mention of cogeneration and large power plant support suggests a focus on energy efficiency and large-scale energy production [2]