Danyang Reason Trading Company is a professional manufacturer of optical lenses for eyes, located in Situ Town, the "hometown of glasses in China". We started from providing mineral lenses in 2000's, later we produced CR39 lenses from 2009. After more than 10 years growing, our daily production capacity became to 10000 pairs per day. And our production range is from 1.49~1.67 with single vision/bifocal/progressive designs. We persist in "based on quality", abide by credit, and treat customers as God. We focuses on providing high-quality optical lenses at competitive prices to meet your needs. Our products sell well in over 20 countries and regions. We have also gained CE certificate for Europe market.