Huawei Technologies on Monday launched two new laptops, including a model with a foldable screen, that run its self-developed HarmonyOS operating system, which the company is pushing across devices after its Microsoft Windows license expired in March. The Huawei MateBook Fold Ultimate Design takes the form of an 18-inch tablet, with a thickness of just 7.3 millimetres when unfolded. Weighing 1.16kg, the device folds down to 13 inches, according to Richard Yu Chengdong, chairman of Huawei’s...