If the annual Shanghai International Eyewear fair is a bellwether for the industry, then the Beijing International Eyewear Fair in September is a "thermometer" to verify the product market. After the inspection of the market, the focus and development of the exhibition lens enterprises can be clearly seen. Products: Functional lenses leading the fashion at the beginning of the Shanghai exhibition, many industry insiders predicted that this year will be the first year of the outbreak of functional lenses. After more than half a year of market testing, the performance of functional lenses did not disappoint. Chongqing chiba glasses chain Co., LTD. Director of marketing Zhu Bei told reporters, today