Can GEM do dual main business?

You can't.

GEM prohibits dual main businesses. 202 1, Zhuhai Port (6.420, 0.03, 0.47%) took "reform and innovation, transformation and upgrading" as the main line, and ushered in the leap-forward development of port shipping logistics and new energy through endogenous growth and extension mergers and acquisitions.

202 1 The acquisition of Zhuhai Port Hong Wharf is connected with Yunfu New Port, Wuzhou Port and Guiping Xinlong Wharf, opening up the whole logistics channel from Xijiang to the seaport, and interconnecting with Xinghua Port in the Yangtze River basin, forming a linkage pattern between the two rivers.