Workers operate at a workshop of the Dongan Auto Engine Co., Ltd. in Harbin City of northeast China's Heilongjiang Province, April 9, 2021. The Dongan Auto Engine Co., Ltd. sold about 120,000 automotive engines in the first quarter of 2021, up by 101.57 percent year-on-year, marking a benign start. (Xinhua/Wang Jianwei)
