Photo taken on April 15, 2020 shows the construction site of a new energy vehicle plant of Baoneng in Guiyang, southwest China's Guizhou Province. (Photos: Xinhua/Liu Xu)

Photo taken on April 15, 2020 shows the construction site of a new energy vehicle plant of Baoneng in Guiyang, southwest China's Guizhou Province.

A man works at the construction site of a new energy vehicle plant of Baoneng in Guiyang, southwest China's Guizhou Province, April 15, 2020.

People work at the construction site of a new energy vehicle plant of Baoneng in Guiyang, southwest China's Guizhou Province, April 15, 2020.

Photo taken on April 15, 2020 shows the construction site of a new energy vehicle plant of Baoneng in Guiyang, southwest China's Guizhou Province.

A man works at the construction site of a new energy vehicle plant of Baoneng in Guiyang, southwest China's Guizhou Province, April 15, 2020.