1. Raw material procurement: Yutong purchases high-quality raw materials from all over the world, such as PC materials and CR-39 materials.
2. Raw material preparation: raw materials are classified, screened, cleaned and processed to prepare for subsequent production.
3. Molding: Using advanced molding technology, the raw materials are hot-pressed or injection molded to obtain glasses lenses with specific degrees and curvatures.
4. Polishing: Polishing the molded spectacle lens to make its surface smoother and more transparent.
5, coating: coating according to customer demand, so that the lens has better anti-reflection, anti-ultraviolet and other functions.
6. Inspection: Conduct a comprehensive inspection of the finished product, including the degree, curvature, thickness and surface quality, to ensure that the product meets the standards and customer requirements.
7. Packaging: qualified products are used for transportation and sales.