Retail investors wishing to purchase shares of Semiconductor Manufacturing International Corporation (SMIC) can do so by utilizing an online brokerage account that grants direct market access to international bourses. SMIC is publicly listed on the Stock Exchange of Hong Kong under ticker 0981 and on the Shanghai Stock Exchange's STAR Market under ticker 688981. Investors must account for currency conversion requirements and verify whether their specific brokerage supports trading in Hong Kong dollars or mainland Chinese yuan.