Glonghui, March 6 | Annelle has been rising and falling for 7 consecutive trading days. The Shenzhen Stock Exchange issued a letter of concern requesting details on the latest progress of the company's acquisition of Innovation Technology; detailing whether there are any other transaction prerequisites other than priority purchasing rights at the current stage of the exchange; following and verifying relevant matters to confirm whether there is significant information that should be disclosed but not disclosed, and whether there have been major changes in the company's fundamentals; and check whether the company's directors, supervisors, senior management and their immediate family members have traded the company's shares or are suspected of insider trading.