湖州德嘉耐火有限公司 A staff member shows Huawei's 5G foldable Mate X at a press conference in Shenzhen, south China's Guangdong Province, Oct. 23, 2019.(Xinhua/Mao Siqian) 电炒锅 BEIJING, Aug. 20 (Xinhua) -- The foldable smartphone market has seen remarkable gr...