On March 14, 2025, OPPO Guangdong Mobile Telecommunications Co., Ltd. disclosed a patent titled "Torque Assembly, Folding Device, and Electronic Device," bearing the application publication number CN119616991A. This patent delves into the realm of flexible structure technology, aiming to enhance the user experience and longevity of folding devices through groundbreaking design innovations. These advancements contribute significantly to the technological evolution of foldable electronics.