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FILE PHOTO: Employees work at Jingjin filter press factory in
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