FILE PHOTO: Employees work at the production line of aluminium rolls at a factory in Zouping, Shandong province, China November 23, 2019. Picture taken November 23, 2019. REUTERS/Stringer/File Photo
FILE PHOTO: Employees work at the production line of aluminium rolls at a factory in Zouping, Shandong province, China November 23, 2019. Picture taken November 23, 2019. REUTERS/Stringer/File Photo