Dear Yakov Reinberg, I am Jason, from the Sales Department of Hopesun Optical. In order to contact with you, I registered on Manta Community. I noticed you offered several buying leads on Alibaba.com. For our company is not a Premium Member, so I can only find your contact information by other ways. Our company is a leading supplier of ophthalmic lenses in China. We have been providing high quality ophthalmic lenses to the international market for over 7 years. Though it's not very long, we have built a good reputation among our customers by always supplying good quality lenses with fast delivery. Our lenses come in a wide variety such as index 1.499, 1.56, 1.61, 1.67 and polycarbonate lenses, single vision lenses, bifocal lenses, progressive lenses both finished and semi-finished My e-mail address: [email protected] So, if you are interested in our products, please write to me. Thanks very much. Regards, Jason