Danyang Derek Optical Company founded in 1988, This is a professional manufacturer of optical lenses for eyes, located in Situ Town, the "hometown of glasses in China".
Over the past ten years, the company has continuously introduced the world's advanced
production and testing equipment, improved
the production environment, improved the quality of employees, enhanced the quality awareness, and produced in strict accordance
with national standards. we have produce 1.56 ROUND TOP BIFOCAL LENS 3.5 million pairs every years and others different lenses.