A worker is busy at a workshop of Harbin Boiler Co., Ltd. in Harbin, capital of northeast China’s Heilongjiang Province, Feb. 23, 2021. (Xinhua/Wang Jianwei)
Workers are busy at a workshop of Harbin Boiler Co., Ltd. in Harbin, capital of northeast China’s Heilongjiang Province, Feb. 23, 2021. (Xinhua/Wang Jianwei)
A worker is busy at a workshop of Harbin Boiler Co., Ltd. in Harbin, capital of northeast China’s Heilongjiang Province, Feb. 23, 2021. (Xinhua/Wang Jianwei)
A worker is busy at a workshop of Harbin Boiler Co., Ltd. in Harbin, capital of northeast China’s Heilongjiang Province, Feb. 23, 2021. (Xinhua/Wang Jianwei)
A worker is busy at a workshop of Harbin Boiler Co., Ltd. in Harbin, capital of northeast China’s Heilongjiang Province, Feb. 23, 2021. (Xinhua/Wang Jianwei)
A worker is busy at a workshop of Harbin Boiler Co., Ltd. in Harbin, capital of northeast China’s Heilongjiang Province, Feb. 23, 2021. (Xinhua/Wang Jianwei)
A worker is busy at a workshop of Harbin Boiler Co., Ltd. in Harbin, capital of northeast China’s Heilongjiang Province, Feb. 23, 2021. (Xinhua/Wang Jianwei)
Workers are busy at a workshop of Harbin Boiler Co., Ltd. in Harbin, capital of northeast China’s Heilongjiang Province, Feb. 23, 2021. (Xinhua/Wang Jianwei)