CHINA TOWER (00788.HK) -0.020 (-0.182%) Short selling $27.55M; Ratio 15.928% announced that its chairman Zhang Zhiyong held in-depth discussions with Qingdao Municipal Party Secretary Zeng Zanrong and CHINA CRSC (03969.HK) +0.040 (+1.262%) Short selling $6.01M; Ratio 21.208% Chairman Lou Qiliang last Friday (27th).The discussions focused on trilateral cooperation to promote the integration of "global perception + low-altitude" and "rail + low-altitude" development, exploring enhancing regular communication and connection based on existing cooperation as well as continuously deepening collaboration in the fields of low-altitude economy and global perception.(HK stocks quote is delayed for at least 15 mins.Short Selling Data as at 2025-04-03 16:25.)