An exhibitor sells a mooncake via livestreaming at the 12th Expo Central China in Taiyuan, North China's Shanxi province, on May 22, 2021. [Photo/Xinhua]

High-quality development has been enhanced in central China as showcased by the 12th Expo Central China in Taiyuan, North China's Shanxi province.

From cross-border online sales to writing robots, foldable screens and optical quantum chips, China has further accelerated opening-up and stimulated transformation through innovation for high-quality development.