Ultra-lightweight humanoid robotic arms are the field RealMan Intelligent Technology (Beijing) Co., Ltd leads, a national high-tech enterprise specializing in their R&D, production, and sale. Its flagship RM series, RM65-B, RM75-B, and RM65-6F among the models, offers 6-DOF and 7-DOF arms with a 5 kg payload at only 7.2-7.8 kg, a 1:1.44 load-to-weight ratio. Founded in 2018 and headquartered in Beijing, with a factory in Jiangsu, the company has developed key components in-house, controllers, drivers, servo motors, and harmonic reducers, cutting volume and cost significantly. Its products, such as the GEN72 consumer-grade arm and AI-powered dual-arm platforms, serve new retail, smart dining, healthcare, education, industrial production, and aerospace customers worldwide, with applications in logistics, medical workstations, and quality control.