Shanghai Weijian Technology

Shanghai Weijian Technology (We-i Build) is a provider of AI-driven robotic solutions for on-site construction purposes, specializing in automated plastering, spraying, modeling, and steel bar processing. The company's product portfolio includes a plastering robot capable of autonomous navigation with pump, spread, collect, and press functions achieving 300 to 350 square meters per day with a record of 708 square meters, featuring automatic leveling for high verticality and 30kg pressure to prevent hollowing; a spraying robot with intelligent path planning and simulation achieving putty application at 200 square meters per hour and latex paint at 300 square meters per hour with over 95 percent coverage including walls, ceilings, and bay windows; a modeling robot for rapid scanning, precise modeling, and full-process automation; a steel bar flexible processing center with sawing, stripping, thread rolling, and bending at 70 tons per day; an ultra-high speed thread rolling line with 12 to 16 second processing cycles; and a steel cage forming line for automated assembly. The company operates a Tiangong system for construction management and has completed over 4 million square meters of real construction area across 8 countries with 15 Fortune 500 partners. Weijian Technology has been recognized as a national-level specialized and sophisticated Little Giant enterprise by China's Ministry of Industry and Information Technology. Founded in 2020 and headquartered in Baoshan, China, the company has raised $15.7M in Series A funding from investors including Ruiyi Investment, Linear Venture, Duxiu Capital, Xiamen Meiyou, Xiamen Jianfa, and Sequoia Capital.