Hand Dexterity Comparison
DOF per hand across robots — Tesla Gen 3 (22), 1X NEO (22), Fourier GR-2 (12). Human hand (27 DOF) shown as benchmark.
Degrees of freedom (DOF) per hand across humanoid robot platforms. Human hand shown as reference (27 DOF). Shadow Dexterous Hand is the research benchmark. Sources: manufacturer specs, research papers.
Supply Chain Geographic Concentration
China controls 90% of rare earth processing, 86% of battery manufacturing, and 77% of cell assembly. Japan dominates precision reducers (85%).
| Component | Dominant Country | Global Share | Key Companies | Risk |
|---|---|---|---|---|
| Rare Earth Processing | China | ~90% | Northern Rare Earth, China Minmetals | Critical |
| Rare Earth Mining | China | ~69% | Various state-owned | High |
| Battery Manufacturing | China | 86% of global capacity | CATL (38.1%), BYD (16.7%) | Extreme |
| Battery Cell Assembly | China | ~77% | CATL, BYD, CALB, EVE Energy | High |
| Cobalt Mining | DRC (Congo) | 76% | Glencore, CMOC (Chinese-owned) | Critical |
| Cobalt Refining | China | ~80% | Huayou Cobalt, GEM Co. | Critical |
| Lithium Mining | Australia | ~47% (86,000 MT) | Pilbara Minerals, Allkem | Moderate |
| Lithium Refining | China | ~65% | Ganfeng, Tianqi Lithium | High |
| Harmonic Drives | Japan | ~85% (Nabtesco + HD Systems) | Nabtesco, Harmonic Drive Systems | Very High |
| RV Reducers | Japan | ~60% | Nabtesco | High |
| Precision Motors (coreless) | Germany/Switzerland | ~70% combined | Maxon (CH), Faulhaber (DE), Portescap (US/CH) | Moderate |
| AI Compute Chips (design) | USA | ~90% (design) | NVIDIA (dominant), Qualcomm (emerging) | Moderate |
| AI Compute Chips (fabrication) | Taiwan | ~90% (advanced nodes) | TSMC | Critical |
| Force/Torque Sensors | USA/Denmark | ~60% combined | ATI Industrial (USA), OnRobot (Denmark) | Moderate |
| Depth/Vision Sensors | USA/France | ~50% | Intel RealSense (USA), Stereolabs (FR), Luxonis (USA) | Moderate |
| Carbon Fiber | Japan | ~50% | Toray, Teijin, Mitsubishi Chemical | Moderate |
| Critical Mineral Refining (avg) | China | ~70% (19 of 20 minerals) | Various state-owned + private | N/A |
Geographic concentration of critical humanoid robot supply chain components. Risk assessment reflects single-country dependency and substitution difficulty. Sources: IEA, USGS, industry reports.
Actuator BOM Detail
Cost breakdown of rotary actuators (harmonic drives 36%), linear actuators (roller screws 64%), and dexterous hands (coreless motors 50%).
Rotary Actuator
Linear Actuator
Dexterous Hand
Component-level bill of materials for each actuator subsystem. Percentages represent share of that actuator's total cost. Sources: teardown analyses, supplier pricing, industry estimates.