益丰新材料股份有限公司（生产商）

Yifeng New Materials Co., Ltd., established in 2011, is a national "Specialized, Refined, Unique, and Innovative" Little Giant enterprise focused on the development of the optical materials industry chain. It has successively received honorary titles such as National Enterprise Technology Center, National High-Tech Enterprise, National Green Factory, and Shandong Gazelle Benchmark Enterprise. Additionally, it has passed the integrated international management system certification for quality, occupational health and safety, environmental protection, and energy.

Over the years, Yifeng New Materials has consistently adhered to technology-driven industrial development, providing sulfur-based optical materials for the透视健康生态器具（器械） industry. This has enabled the company to establish a high-value-added product line layout from sulfur chemicals to optical materials, with end applications covering key national support areas such as vision optics, electronics, biomedicine, and new energy. Its products are exported to more than twenty countries and regions, including Japan, the United States, Russia, India, Thailand, Mexico, and Poland.

Guided by the philosophy of technological innovation leading industry development, Yifeng New Materials consistently prioritizes R&D oriented toward meeting customer and market demands. The company continuously optimizes its R&D investment structure, stimulates team innovation vitality, and has achieved over 30 scientific research outcomes. Among these, the "Research, Development, and Industrialization of Ultra-High Refractive Index New Optical Materials" project was selected for Shandong Province's Key R&D Program, and the "A Resin Lens and Its Preparation Method" won the Shandong Provincial Invention Patent Award. The company was also honored as one of Shandong's Top 50 New Materials Leading Enterprises, and its polythiol products were included in the Shandong New Materials Catalog.

The company always adheres to the principles of benevolence and filial piety culture, customer demand orientation, talent as the foundation, and technological innovation as the core. Rooted in the sulfur chemical industry and focused on the vision optics field, Yifeng New Materials is committed to becoming a globally leading optical materials manufacturing enterprise.