Is it true that China Bio bought Weiguang Bio?

Really. On June 3rd, Microlight Bio (002880) announced that its controlling shareholder, Shenzhen Guangming State-owned Assets Supervision and Administration Bureau, and Sinopharm Group China Bio signed the Cooperation Agreement on June 2nd, stipulating that Guangming State-owned Assets Supervision and Administration Bureau and China Bio intend to set up a joint venture company, with Guangming State-owned Assets Supervision and Administration Bureau holding 49% and China Bio holding 5 1%. After the establishment of the joint venture company, Guangming State-owned Assets Supervision and Administration Bureau will transfer 35.25% shares of Weiguang Bio and 5.96% shares of Tiantan Bio (600161) held by China Bio to the joint venture company free of charge. The joint venture company will become the controlling shareholder of Weiguang Bio, and China Bio will become the indirect controlling shareholder of Weiguang Bio, and the actual controller will be changed from Guangming State-owned Assets Supervision and Administration Bureau to Sinopharm Group).