In 2020, overcoming the impact of the global novel coronavirus pneumonia epidemic, Yunnan Construction Investment completed the China-Laos Expressway (Vientiane-Vang Vieng section) and the Laos petrochemical project on schedule, and joined hands with the Lao people to create the "six firsts" in Laos, which has won the praise of China and Laos. praised by the governments and people of both sides.