ChannelNewsAsia FILE PHOTO: Rare earth oxide samples are seen at mining company VTRE in Hanoi, Vietnam September 7, 2023. REUTERS/Francesco Guarascio/File Photo FILE PHOTO: Luu Anh Tuan, Chairman of mining company VTRE in his Hanoi office with samples of rare earth oxides in Hanoi, Vietnam September 7, 2023. REUTERS/Francesco Guarascio/File Photo An undated photo shows…