on March 31, China Railway Group Limited(601390) 3, the company announced that on March 31, 2022, the company received the notification letter from the controlling shareholder China Railway Engineering Group Co., Ltd. (hereinafter referred to as “China Railway Engineering”) about the plan to increase its A-share holdings of the company. China railway engineering plans to increase its A-share holdings of the company through the centralized bidding trading system of Shanghai Stock Exchange within 6 months from March 31, 2022, with a cumulative increase of no less than 150 million yuan and no more than 300 million yuan.