Longtech: Special Report on the Deposition and Actual Use of Raised Funds in 2022

Longtech: 2022 Work Report of the Supervisory Board

Longtech: 2022 Independent Director's Work Report (thoughtful)

Longtech: 2022 Financial Statement Report

Longtech: 2022 Independent Director's Work Report (Yang Xiaoping)

Longtech: 2022 Independent Director's Work Report (Wang Maoqi)

Longtech: 2022 Independent Director's Work Report (Tang Huiling)

Longtech: 2022 Independent Director's Work Report (Li Pengzhi)

Longtech: 2022 Board of Directors' Work Report

Longtech: Pre disclosure announcement on reduction of shares held by shareholders holding more than 5% shares