MACAO, Dec. 4 (Xinhua) — Electric manned aircraft, modularized integrated building technologies, intelligent recharging platform for electric vehicles, and contactless delivery robots…these are just a glimpse of the many hi-tech products showcased at the first BEYOND International Technology Innovation Expo. The expo, being held in China’s Macao Special Administrative Region (SAR), pools together the latest achievements of around 300 multi-national