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Tongyan was established in 2010，which brand Seeyeye focuses on the design,manufacturing and selling of the color contact lenses. By means of advanced technology, we manufacture premium color contact lenses under the strict regulations . Strict quality control is performed in every step,from choosing materials, doing production, and testing to packging.Our Motto: “Quality first”.Our company continues to be guided, as we have been since our establishment, by the core value. promoted by our founder: “integrity, quality, commitment, and innovation”.We believe that innovation and development go hand in hand with our long-held ideal of “collaboration, integrity, and accountability to deliver the value to our customers”.Since our establishment, we have been built the reliable business relationships with customers,who come  from North America, South America, Europe, Australia, and some countries in Asia. We pay a great deal of attention to the quality of our products, customer satisfaction and of course the efficiency of pre-sales and after-sales services. Every day, we strive to create a respectful, honest and relaxing atmosphere for our employees and clients. We treat our clients with respect and expect to be treated the same. We believe that all challenges and problems can be overcame with mutual communication. So please do not hesitate to contact us.