Best bargain — 1,000-yuan bonus by scanning QR code. [Photo/chinajilin.com.cn]

The expo was filled with interactive games, with many relying on scanning QR codes. One game was a wall filled with red envelopes, some with a single yuan note and others with up to 1,000 yuan inside.

Scan the QR code, get an envelope, and maybe you'll be closer to buying a new car.