A powerful explosion at a highway tunnel construction site in southwest China’s Chongqing has killed four workers and injured nine others, local authorities confirmed.

China’s first Type 076 amphibious assault ship, PLAN Sichuan, departed from Shanghai on Friday morning to begin its inaugural navigation test mission.

China on Friday sent a new test satellite into space from the Xichang Satellite Launch Center in the southwestern province of Sichuan.

China successfully launched a new data relay satellite, the Tianlian II-05, into orbit from the Xichang Satellite Launch Center in Sichuan Province on Sunday.