A worker configures the system of the seam sealing equipment for protective clothes at the workshop of Nawon Machinery Co., Ltd. in Jimo District of Qingdao, east China's Shandong Province, April 11, 2020. Since its resumption of production on Feb. 7, the South Korea-invested Nawon Machinery Co., Ltd. has been producing at full speed the seam sealing equipment for protective clothes, a necessary but not mass produced equipment which has been in short supply due to the worldwide spread of the COVID-19 pandemic. (Xinhua/Li Ziheng)
