Hello, Yi Chao. Nice glasses. Buying contact lenses online is definitely cheaper than buying them in a physical store. How do I know Yi Chao glasses? It was introduced by a friend of mine. It seems that the quality of Yichao glasses is guaranteed and there are more customers. The reason why I have been buying Yichao glasses is because their company culture is good. You can watch the video of Youku (/v _ show/id _ xmtq1njgwmzi4.html).
After reading it, you will choose Yichao glasses ~