Largest grain QR code
- Who
- Heilongjiang Donghe Agricultural Group Co., Ltd.
- What
- 900 square metre(s)
- Where
- China (Harbin)
- When
- 09 October 2018
The largest grain QR code is 900 m² (9,687 ft² 74 in²) and was achieved by Heilongjiang Donghe Agricultural Group Co., Ltd. (China), in Harbin, Heilongjiang, China, on 9 October 2018.
The attempt was made as part of the first international rice festival, held in Harbin, to actively promote China's One Belt One Road policy.