As a fund that can be traded in the secondary market, ETF funds cannot be purchased on Alipay, but only through securities accounts. However, although you can't buy it on Alipay, you can buy ETF-linked funds on Alipay.
The so-called linked fund, a simple understanding is to make a replica of the OTC ETF fund, so the similarity between ETF linked fund and OTC fund is very high, which can facilitate OTC investors to invest.