vertical foldable mask for the elderly in midwest

10 must-see exhibits at CIIE - China Plus

Revolutionary presbyopic glasses with foldable frames and rotatable nose bridges are making their China debut. The ultrathin glasses, by Italian eyewear brand Nannini, are displayed in Hall 6.1. They cost about 300 yuan a pair, and can be folded into a rectangle 0.9 millimeters thick and stored in the pocket of a …