A staff member sprays disinfectant at a workshop of a pharmaceutical company in Tonghua, northeast China's Jilin Province, Feb. 15, 2021. Local authorities have accelerated the work resumption process with epidemic control in place. (Photos: Xinhua)

A staff member sprays disinfectant at a workshop of a pharmaceutical company in Tonghua, northeast China's Jilin Province, Feb. 15, 2021. Local authorities have accelerated the work resumption process with epidemic control in place.

A staff member sprays disinfectant at a workshop of a pharmaceutical company in Tonghua, northeast China's Jilin Province, Feb. 15, 2021. Local authorities have accelerated the work resumption process with epidemic control in place.

A staff member sprays disinfectant at a pharmaceutical company in Tonghua, northeast China's Jilin Province, Feb. 15, 2021. Local authorities have accelerated the work resumption process with epidemic control in place.

A worker tests devices at a workshop of a pharmaceutical company in Tonghua, northeast China's Jilin Province, Feb. 15, 2021. Local authorities have accelerated the work resumption process with epidemic control in place.