Hangzhou Quali-Joint is a manufacturer focused on core robot joint drive systems, concentrating on the R&D and production of planetary joint modules, planetary reducers, harmonic joint modules, and harmonic reducers. Its core team comes from a renowned Japanese reducer company (Nidec) and has 20+ years of deep experience in precision reducers, holding 30+ national patents. The company continuously provides technology-leading products whose performance and dimensions closely benchmark European, American, Japanese, and Taiwanese counterparts — widely used in humanoid robots, collaborative robots, robot dogs, high-end CNC equipment, dexterous hands, robotic arms, exoskeletons, and related industry chains. With dual bases and an annual capacity of 300,000 units, it supplies stably and long-term to major research platforms and multiple leading domestic humanoid robot companies.