Danyang Tecra Optical Instruments Co., Ltd, founded in 2000, is engaged in manufacturing and exporting various optical lens, such as single vision lens, blue cut lens, progressive lens, photochromic lens and bifocal lens, for about 20 years.There are over 100 employees in our factory and we have two production lines, producing 10000 pairs lenses per day. Meanwhile, we continuously work on improving production precesses for quality assurance.Our company focuses on providing high-quality optical lenses at competitive prices to meet your needs.We welcome your field visits and look forward to working with you.