The equity market of China is complex to say the least. Due to capital flow restrictions, there are many different share classes and currencies that they can be traded with. There are seven different types of share classes. A-Shares are allowed for trading only for domestic investors and foreigners are not allowed to own those.
The table below shows the various share classes, currencies and the exchanges they are listed:
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Source: Chinese Equities: Market Access, Equity Benchmarks & A-Shares, WisdomTree