Notice on Convening the 2025 Annual General Meeting

Earlier from Hangzhou Huaguang Advanced Welding Materials

• Announcement on Resolutions of the 1st Extraordinary General Meeting in 2026Apr 22
• Announcement on Using Idle Raised Funds Temporarily for Supplementing Current CapitalApr 3
• Announcement on the Results of Issuing Stocks to Specific Objects and Changes in Share Capital by Summary ProcedureMar 24
• Announcement on Signing a Tripartite and Four-party Supervision Agreement over Deposit in Special Account of Raised FundsMar 14
• Announcement on Preliminary Earnings Estimate for 2025Feb 28

Later from Hangzhou Huaguang Advanced Welding Materials

• Announcement on Change of Accounting PoliciesApr 30
• Announcement on Attending the 2026 Online Collective Reception Day for Investors and 2025 Annual Performance Briefing Activities of Listed Companies in Qinghai JurisdictionMay 7
• Shareholders' Inquiry Transfer PlanMay 20
• Indicative Announcement on Pricing for Shareholders' Inquiry-based TransferMay 21
• Announcement on Completing Industrial and Commercial Change Registration and Obtaining Renewed Business LicenseMay 26