we are the leader of selling all kinds of optical products and specialized in the sales of 1.49 , 1.56, 1.61 cr-39 lens; 1.523 mineral glass , 1.70 mineral glass, round top bifocal , flat top bifocal ,photochromic etc. We are now have many big distributors overseas based on our competitive price, superior quality , promptest delivery time and warm hearted service after sales. To establish long and steady business relations with customers abroad is the task of all our staff .