Qin Shihuang asked him to try the imperial meal. He suffered from an occupational disease and took out his bamboo slips and wrote "Bad review: salty, food delivery is too slow, it is recommended to cut off the chef." Ying Zheng was so angry that he launched the "Da Qin takeout" model on the spot - the royal meals were standardized, clearly priced, and delivered within three-quarters of an hour.
