Highbroad Advanced Material (Hefei) Co., Ltd. (SZSE:301321) agreed to acquire remaining 10% stake in Hefei Xingchen New Materials Co., Ltd. from Wang Chengguo for CNY 19.5 million on September 15, 2023. The Highbroad Advanced Material (Hefei) Co., Ltd. (SZSE:301321) held the 1st meeting of the 4th board of directors and the 1st meeting of the 4th board of supervisors on September 15, 2023, which deliberated and approved the "Proposal on the Acquisition of Minority Shareholder Equity of the Controlled Subsidiary Hefei Xingchen New Materials Co., Ltd.