Highbroad Advanced Material (Hefei) Co., Ltd. (SZSE:301321) agreed to acquire 30% stake in Hefei Tongtai Optoelectronics Technology Co., Ltd. from Xu Hongjie for CNY30 million on November 21, 2023. The Highbroad Advanced Material (Hefei) Co., Ltd. (SZSE:301321) held the fourth meeting of the fourth board of directors and the fourth meeting of the fourth board of supervisors on November 21, 2023, and reviewed and approved the transaction.