FILE PHOTO: Employees work on the filter cloth production line at Jingjin filter press factory in Dezhou, Shandong province, China August 25, 2022. REUTERS/Siyi Liu/File Photo
FILE PHOTO: Employees work on the filter cloth production line at Jingjin filter press factory in Dezhou, Shandong province, China August 25, 2022. REUTERS/Siyi Liu/File Photo