NNC: Update charter

Update charter of Nui Nho Stone Co-Operation as follows: 

HOSE

>   DPM: Record date for EGM 2025 (23/04/2025)

>   SMC: Reminder of information disclosure (23/04/2025)

>   RDP: Reminder of information disclosure (23/04/2025)

>   HOSE: Proprietary Trading (23 Apr 2025) (23/04/2025)

>   PGC: Reminder of information disclosure (23/04/2025)

>   DQC: Measures and roadmap to overcome the status of warned securities (23/04/2025)

>   PAC: BOD resolution dated April 21, 2025 (23/04/2025)

>   LGC: BOD resolution dated April 21, 2025 (23/04/2025)

>   SZL: Approving transaction, agreement with related party (23/04/2025)

>   CHP: BOD resolution dated April 08, 2025 (23/04/2025)