Hachigian had served as US ambassador to ASEAN — the Association of Southeast Asian Nations.

Chen expressed his thanks to Los Angeles for the city's great help to Guangzhou in the fight against COVID-19 in the early stages.

"And Guangzhou would like to share its successful experience in fighting the pandemic with LA and expects Los Angeles to soon restore normal social and economic order," Chen said.

In addition to the fight against COVID-19, Chen and Hachigian discussed coronavirus detection, restoration of production, resumption of schoos and other issues.

Liu Baochun, director of Guangzhou's foreign affairs office, and Ouyang Ziwen, deputy director of the Guangzhou health commission, accompanied Chen to the video conference.