Aunt Shanghai has tons of barrels of 2200ml. According to the inquiry of New Weekly.com, in 2022, the packaging capacity of the ton barrel series of drinks launched by Auntie Shanghai was 2.2 liters, and 1 liter was equal to 1 ,000ml, and 2.2 liters was 2,200ml, so Auntie Shanghai had a ton barrel of 2,200ml. Shanghai Auntie is a new brand of fresh fruit tea, which belongs to Shanghai Zhen Jing Industrial Co., Ltd., with the brand positioning of "Love Fresh Fruit Tea, Drink Shanghai Auntie" and focusing on providing new fresh fruit tea for young consumers. The trademark was formally applied on 20 13. So my aunt in Shanghai has 2200ml ton barrels.