How do you say A shares and H shares in English?

Tsingtao Brewery Co., Ltd. is a national giant developed from the state-owned Tsingtao Brewery, which was established in 1903. It is the oldest beer producer in China, and its products are the most famous China brand in the international beer market. 1993, the company was restructured into a company limited by shares, and issued H shares and A shares in Hong Kong and Shanghai stock markets.