Huawei has unveiled the world's first tri-fold screen mobile phone - Mate XT Ultimate Design. The 256GB version is priced at RMB19,999, the 512GB version is priced at RMB21,999, and the 1TB version is priced at RMB23,999. The models will go on sale on 20 September at 10:08 am.Related NewsSpot USD/CNY Escalates 108 bps to Close at 7.0552