EX-99.4P PWR ATTY 3 Signature01.txt POA EXHIBIT 99.1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree that the Schedule 13G/A filed is filed on behalf of myself. Date: 2025-02-06 /S/ Zhengxu He Name: ZHENGXU HE Title: Mr.