Du Yinghong's common sense action: six levels of Maotai-flavour liquor in China

https://www.youtube.com/watch?v=g2olOZobjjo -
Du Yinghong, a famous artist, initiator of Chinese wine culture revival movement and founder of maotai club, popularized six levels of Chinese Maotai Xiangjiu: 1. Whole seed wine; 2. Crushed sand wine; 3. Turning sand wine; 4. Channeling sand wine; 5. Mixing wine; 6. Mixing wine