Alcohol is a flammable substance, which belongs to aviation dangerous goods in international transportation and cannot pass the airport security check; Vinegar is purely liquid and cannot be sent out.

A small amount of soy sauce tofu can be sent abroad through our DHL sensitive goods channel, with a basic aging time of 3-7 days and a customs clearance rate of over 95%.

The cost of this kind of goods going through DHL is relatively high, and it is not 100% customs clearance. If you can buy it abroad, old drivers generally don't recommend mailing it.

Author of this answer: Xianghai Cross-border Logistics (Zhihu with the same name), specializing in domestic transshipment and overseas express delivery of sensitive goods.