There is no limit on the quantity of health care products except milk powder, and there is no limit on the quantity of other things. The weight depends on the weight required by your travel agency. The general tax refund is because there are too many things that exceed customs duties, which can be divided into several parts. This is better for delivery, but it can't be done after tax refund. The tax refund is after the consignment enters the security check.

Extended data:

Many tourists who come to Australia will buy a lot of health care products and food to send back to their relatives and friends, but the quantity is huge, so they must be checked and cannot be carried. Because there are calcium tablets, vitamins, candy and other health care products, they need to be brought into the airport for inspection according to regulations, and then they will be allowed to be checked and stamped on the receipt.

General nutrition at the time of entry: the total value is less than 5000 yuan (including 5000 yuan); The customs will release the goods duty-free.

A single variety is limited to self-use and reasonable quantity: if it exceeds 5,000 yuan and is really self-used after customs examination, the customs will only levy taxes on imported articles for self-use, and the undivided single articles will be fully taxed.

The total value is less than 5000 yuan (including 5000 yuan); The customs shall release it duty-free, and the single variety is limited to personal use, and the reasonable quantity exceeds 5,000 yuan, which is really for personal use after examination by the customs.

The customs only levies taxes on articles imported by individuals for their own use, and fully levies taxes on undivided single articles.

References:

People's Republic of China (PRC) import and export tariff regulations _ China government network