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Zibianliang
2026-09-03 02:47:11

TwinDex debuts with zero robot teleoperation data in post-training for fine manipulation tasks

Chinese robotics company Zibianliang has introduced TwinDex, a dexterous manipulation system that it says can complete post-training without any real-robot teleoperation data. In the demo, the robot performed a full chemistry experiment workflow, including unscrewing caps, using a syringe, handling pipettes and test tubes, guiding liquid with a glass rod, and mixing for observation. The sequence covered 24 sub-actions across three tools and required repeated bimanual coordination, tool switching, millimeter-level positioning, and stable force control. According to the company’s published results, TwinDex replaces the conventional need for robot-body teleoperation data with a few hundred body-free data samples. It also claims data collection efficiency of about 5.3x that of traditional real-robot teleoperation in terms of valid trajectories produced per unit of time. Zibianliang said policies trained on body-free data improved at the same rate as those trained on real-robot teleoperation data as dataset size increased, eventually converging to similar performance. TwinDex combines a three-finger, nine-degree-of-freedom end effector with a wearable three-finger exoskeleton for data capture. The system is built around three design goals: dexterity, consistency between collection and execution, and scalability. The project page is live at x2robot.com/pages/twindex.

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TwinDex debuts with zero robot teleoperation data in post-training for fine manipulation tasks
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