BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20251211T000000Z DTEND:20251211T000000Z SUMMARY:2025 6th International Conference on Material 深夜福利国产精品 and Composite Materials: Standard registration deadline due before 11th December 2025 LOCATION:Guangdong University of Technology,Guangzhou,China END:VEVENT END:VCALENDAR