Pharnorcia Inc, has been 100% focused on the research and development, production, and export of high-purity ophthalmic optical materials for 17 years. It has provided thousands of batches of high-quality, high-purity, and optical grade materials to over 100 ophthalmic enterprises in developed regions around the world. World-class giants and other global partners have conducted nearly 20 on-site inspections and passed their quality management system certification, becoming global designated supp...