Changchun Hi-Tech: Investor Relations Activity Record List for April 21, 2025
Changchun Hi-Tech: Insider Information Insider Registration Management System (Revised in April 2025)
Changchun Hi-Tech: Announcement on the expected daily related transactions in 2025
Changchun Hi-Tech: Internal Audit Management System (Revised in April 2025)
Changchun Hi-Tech: Fund Raising Management System (Revised in April 2025)
Changchun Hi-Tech: Internal Control Self-Assessment Report
Changchun Hi-Tech: Special opinion of the board of directors on the evaluation of the independence of independent directors
Changchun Hi-Tech: Report on the Work of the Supervisory Committee in 2024
Changchun Hi-Tech: 2024 Annual Audit Report
Changchun Hi-Tech: Related Transaction Management System (Revised in April 2025)
Changchun Hi-Tech: Internal Control Audit Report
Changchun Hi-Tech: Announcement on Accounting Policy Changes
Changchun Hi-Tech: Investor Relations Management System (Revised in April 2025)
Changchun Hi-Tech: 2024 Independent Director Debriefing Report (Zhang Weiming)
Changchun Hi-Tech: Information Disclosure Management System (Revised in April 2025)
Changchun Hi-Tech: Announcement of Supervisory Board Resolutions
Changchun Hi-Tech: Report on the work of the board of directors in 2024
Changchun Hi-Tech: 2024 Independent Director Debriefing Report (Zhang Chunying)
Changchun Hi-Tech: Annual Special Audit Report on Related Party Capital Occupation
Changchun Hi-Tech: Independent Director\'s Annual Debriefing Report