宜安科技：公司生产的折叠屏手机铰链主轴产品已实现稳定量产

Group 1 - The core viewpoint of the article is that Yian Technology (300328) has achieved stable mass production of its foldable smartphone hinge spindle products and is continuously delivering to hinge assembly manufacturers [1] Group 2 - The company has responded to investor inquiries on its interactive platform regarding the production status of its products [1] - The stable mass production indicates a positive development in the company's manufacturing capabilities [1] - Continuous delivery to assembly manufacturers suggests a growing demand for the company's products in the market [1]