The 22nd China (Shanghai) International Eyewear Exhibition was held at the Shanghai World Expo Exhibition Center. The exhibition brought together the major brands in the eyewear industry to gather together and lead the trend and development direction of the industry.As the research and development manufacture, Crystal optical debuted at this Shanghai exhibition with the new optometry concept of "Myopia management 1+1", to achieve product research and development and upgrade at the same time, help partners to enable optometry upgrade, expand the market, and win the future.
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