The launching ceremony was held by the City Party Committee and People's Committee of Cam Pha City on April 22, 2025 in Cam Pha City (Quang Ninh), on the occasion of the 50th anniversary of the Liberation of the South and National Reunification (April 25, 1975 - April 30, 2025); 70th anniversary of the Liberation of the Mining Region (April 25, 1955 - April 24, 2025).