Recently, COVID test kits in China have been hard to buy, or at least hard to find at a low price. It’s even more difficult in rural areas. There are quite a few test kits available on JD.com right now. Prices are generally on the high side, but options with relatively better value include:

If someone in the household needs to confirm an infection and later confirm recovery, you’ll probably use at least 2-4 tests per person. For one household, buying one box of 10 tests should generally be enough. This is especially important for elderly family members: when PCR testing is hard to access, early antigen testing can be very helpful. Readers living overseas may also want to buy a box for family back home. You can pay at checkout with a US credit card.