1. The listing transactions are different: the Shanghai Stock Exchange is listed on the Shanghai Stock Exchange, and the Shenzhen Stock Exchange and the Growth Enterprise Market are listed on the Shenzhen Stock Exchange.

2. The stock codes have different beginnings: the A-share stock code of SSE starts with 600, 60 1 or 603, and the B-share stock starts with 900; Shenzhen A shares start with the main board code 000, small and medium-sized board with 002, and B shares with 200. Growth enterprise market starts with stock code 300.

3. Different sectors: SSE refers to Shanghai Stock Exchange, which has a main board and B shares. Shenzhen Stock Exchange refers to Shenzhen Stock Exchange, which has a main board, a small and medium-sized board, a growth enterprise market and B shares. Growth Enterprise Market (GEM) is a securities market different from the main board market. It exists in Shenzhen Stock Exchange and is an important supplement to the main board.