唯万密封：广州加士特的密封产品主要应用于石油天然气、通用工业及半导体设备等领域

Group 1 - The core viewpoint of the article is that Weiman Sealing (301161) clarified its product applications in response to investor inquiries, indicating a focus on specific industries [1] - Weiman Sealing's sealing products are primarily used in the oil and gas, general industrial, and semiconductor equipment sectors [1] - The company has not yet ventured into the aerospace sector with its sealing products [1]