「3Srobotics」Secures Hundreds of Millions in Series B Funding, Develops Welding Embodied Brain Model for Industrial Intelligent Welding

3Srobotics announced hundreds of millions in Series B funding, led by Shanghai Semicon Investment and Jinqiao Fund, with participation from Zero One Ventures, Xinding Capital, Zhongguan Dinghua, and existing shareholder Weiguang Venture. Proceeds will advance the welding embodied brain and autonomous cerebellum motion control system, expand smart manufacturing capacity, and grow R&D and service teams. Founded in 2020, the company gained National High-Tech Enterprise certification in 2023 and Shanghai Specialized and New SME and Shanghai Intelligent Robot Benchmark Enterprise in 2024. Currently, each 3Srobotics welding robot replaces 1.5-2 welders on average, with a payback period of about 1-1.5 years. The core technology is a self-developed welding-specific embodied intelligence brain model trained entirely on real industrial conditions. Trained on millions of production-line welding data, a full-category material knowledge base, and complex weld seam datasets, the multimodal large model can recognize workpiece geometry, material, and texture, autonomously generate process plans, and adjust current, voltage, speed, and amplitude via a proprietary high-precision 3D vision system. The autonomous cerebellum (real-time motion control system) from subsidiary Harbin Modem handles trajectory correction and error compensation for extreme irregular surfaces. The product offers 'plug and play' with high standardization, sold mainly through channel distributors, while exploring a 'robot labor' model charging by welding meters, boosting daily efficiency by 2.88x and reducing average cost by 32.5%.