[Jin Zi Tianzheng: real controllers plan to increase their holdings by 25 million to 50 million yuan] Fanfei News Agency, Jin Zi Tianzheng announced that China Steel Research, the controller of the company, increased its holding of 1.17% of the company by centralized bidding on May 9, and proposed to continue to increase its holdings by 25 million yuan to 50 million yuan (including the amount of this increase). This increase plan does not set a price range.