According to the "Notice on Limited Carrying of E-cigarette Products, Atomizers, Nicotine for E-cigarettes, etc." issued by the State Tobacco Monopoly Administration of China, each person's carrying of vape products, atomizers, nicotine for vape, etc. in other places shall be subject to limited management :
1. No more than 6 vape devices are allowed.
2. The number of vape cartridges (liquid atomizers) shall not exceed 90, and the number of products sold in combination with cartridges and smoking accessories (including disposable vapes, etc.) shall not exceed 90.
3. Smoke liquid and other aerosols and nicotine for vape must not exceed 180ml.
If you have additional needs, purchase them after arriving at your destination. It should be noted that there are different requirements in different countries, and vape products need to be carried according to the current national laws and regulations. What is more noteworthy is that some countries prohibit vape, which is also something to pay attention to.