Import. Essilor is mainly a French company that produces optical glasses lenses for eyes, and it is a brand of glasses lenses. The group focuses on the research and development of lens technology, which can be traced back to 170 years ago, so it is imported, not made in China. The flagship brands of Essilor Group include Wan Li Road, Diamond Crystal, Panorama, Aizan, X- Power and Tyrannosaurus Rex. It also develops and sells equipment and instruments and provides corresponding services.