Core Insights - The development of tendon ropes, a key component of cable-driven robots, is accelerating among listed companies and startups to meet future demands in robotics [1][2] Group 1: Industry Overview - Cable-driven robots are characterized by their lightweight, flexibility, high safety performance, energy efficiency, and strong biomimetic capabilities [1] - Current prototypes of cable-driven robots have been developed by various companies, including a university's octopus-like robotic arm capable of handling fragile and irregular objects [1] Group 2: Company Developments - Jiangsu Henghui Security Co., Ltd. is actively developing ultra-high molecular weight polyethylene fibers for use in robotic tendons, having completed multiple rounds of sample testing with leading robotics firms [2] - Shandong Daye Co., Ltd. is focusing on the development of metal tendons for cable-driven robots, having received small batch orders based on their research in high-performance steel wire [2] - Shandong Nanshan Zhishang Technology Co., Ltd. is producing ultra-high molecular weight polyethylene fibers with properties suitable for robotics, and is in the process of sending samples to various downstream robotics companies [2] Group 3: Material Innovations - Some companies are exploring carbon fiber materials for tendon development due to their superior tensile strength, corrosion resistance, and fatigue performance compared to metals and polymers [3]