[Tianrui Instruments: the controller plans to change control stock continues to suspend trading]-- Tianrui Instruments announced that the company recently learned that Liu Zhaogui, the controller, is planning matters related to the change of control of the company. So far, the final formal transaction agreement has not been signed. The company's shares have continued to be suspended since the opening of the market on May 11, and trading is expected to be suspended for no more than 3 trading days.