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How Yuejia Dynamics Put Robot Dogs to Work on Shenzhen Metro
Yuejia Dynamics says its quadruped robots are already conducting routine inspection work on parts of Shenzhen Metro, including equipment status recognition, environmental anomaly alerts and designated facility checks.... Its YJ30 and YJ30W are lighter robots for parks and smaller industrial settings, while the IP67...
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Key takeaways
- Yuejia Dynamics says its quadruped robots are already conducting routine inspection work on parts of Shenzhen Metro, including equipment status recognition, environmental anomaly alerts and designated facility checks....
- Its YJ30 and YJ30W are lighter robots for parks and smaller industrial settings, while the IP67 rated YJ30 Max and YJ30W Max target heavier industrial, firefighting and public safety work.[20]
- The company is targeting annual capacity of 10,000 units in the Greater Bay Area by the end of October.
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openai.comCreate a landscape editorial hero image for this Studio Global article: How is Shenzhen-based quadruped-robot startup Yuejia Dynamics—founded in July 2025—deploying its four-legged inspection robots in Shenzhen M. Article summary: Yuejia Dynamics (越甲灵动) is pursuing an industrial-inspection business first: compact quadrupeds and wheel-legged robots for indoor sites and parks, plus IP67 heavy-duty models for power plants, large chemical facilities, . Topic tags: general, general web, education. Style: premium digital editorial illustration, source-backed research mood, clean composition, high detail, modern web publication hero. Use reference image context only for broad subject, composition, and topical grounding; do not copy the exact image. Avoid: logos, brand marks, copyrighted characters, real person likenesses, fake screenshots, UI text, readable text, watermarks, charts with fake nu
Yuejia Dynamics is trying to turn the robot dog from a trade-show attraction into a routine industrial tool. Its key proof point is Shenzhen Metro, where the company says its embodied-AI inspection solution has moved beyond demonstration and into use on parts of the network.2
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The idea is straightforward: validate robots in a demanding, public-facing transport environment, package the working process into a standard solution, then adapt it for power facilities, hazardous-chemical supervision, warehouses, emergency response and public safety. The harder question is whether the company can produce reliable operating data and repeat orders as it expands.
Four models, split between light and heavy-duty work
Yuejia’s public lineup has two compact models and two larger models. The YJ30 is a small quadruped, while the YJ30W uses a wheel-legged configuration. The larger YJ30 Max and YJ30W Max follow the same distinction.
Wheel-legged designs are generally aimed at faster travel on smoother surfaces, while fully legged designs are better suited to stairs, uneven terrain and more complex access conditions.
| Model | Payload and protection | Endurance | Mobility |
|---|---|---|---|
| YJ30 | Small quadruped; 10 kg payload; IP54 | 1.5–2 hours with one battery; 3 hours with dual batteries | Up to 3 m/s; 50° slopes; 20 cm steps |
| YJ30W | Small wheel-legged model; 12 kg payload; IP54 | 1.5–2 hours with one battery; 3.5–4 hours with dual batteries | Up to 5 m/s; 50° slopes; 60 cm steps |
| YJ30 Max | Large quadruped; 30 kg dynamic and 50 kg static payload; IP67 | 3–4 hours | Up to 3 m/s; 50° slopes; 30 cm steps |
| YJ30W Max | Large wheel-legged model; 35 kg dynamic and 55 kg static payload; IP67 | 3.5–4.5 hours | Up to 5 m/s; 50° slopes; 80 cm steps |
The model-by-model figures come from World Robot Conference materials, which also list weights of 17.5–20 kg for the smaller robots and 45–55 kg for the larger models.17
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Other public interviews provide broader, and not fully identical, family-level specifications: roughly 15 kg payload and 2–2.5 hours of endurance for the small robots; and 35 kg payload, 3–4 hours of endurance, 50° climbing, 60 cm obstacle crossing and a claimed flat-ground top speed of up to 6 m/s for larger industrial versions.1
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Those differences may reflect battery choices, test conditions, configurations or the distinction between static and dynamic payload. Buyers would need to specify payload type, battery arrangement, sensor package and real site conditions in any acceptance testing rather than compare headline numbers alone.
Remote inspection, sensor payloads and joint hardware
Public materials for the YJ30 line list Wi-Fi/Bluetooth, 4G/5G, video transmission and speech recognition. That gives the robots options for local-network operation as well as remote monitoring and intervention. The Max models are positioned as platforms for inspection equipment and emergency-response payloads.17
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According to the company, the robots’ sensor payloads are integrated with an intelligent inspection platform. They can collect acoustic, optical, electrical and gas-related data, generate inspection records and produce reports. Integrated 4G/5G modules are intended to let operators view robot status remotely and adjust an inspection run when needed.1
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Yuejia also says its industrial low-reduction-ratio joint module reaches 180 N·m of peak torque and has power density 1.3 times that of comparable products by weight. This is a company performance claim, not the result of an independent comparison test.1
What the Shenzhen Metro deployment shows
The most firmly supported public claim is that Yuejia Dynamics and Shenzhen Metro have jointly launched an inspection solution that is in practical use on parts of the metro system. Reports say the robots can routinely identify equipment conditions, flag environmental anomalies and inspect specified facilities.2
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The company also says the robots can travel through lifts, escalators and stairways, and enter higher-risk locations such as utility corridors for daytime or nighttime inspections.4
This should not be confused with Shenzhen Metro’s separate robot-delivery initiative. That project, run by Shenzhen Metro Group and Vanke and developed by Vanke subsidiary VX Logistics, uses robots to replenish station retail stores and is not Yuejia’s quadruped inspection programme.6
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For Yuejia, the metro is a high-pressure reference site: passenger flows, constrained passages, equipment assets and operating schedules all impose real-world limits. If the robots can operate safely, recognise issues, send alerts and fit into an existing maintenance workflow, the company has a more credible basis for selling a standard package to other rail operators.
Publicly available sources do not adequately substantiate more specific claims about a Qianhaiwan Station inspection schedule, a route repeated every two hours, a detailed equipment checklist or a claim that it is China’s first routine quadruped metro-inspection deployment. Those details should await verifiable project documentation from Shenzhen Metro or Yuejia Dynamics.
The strategy: benchmark first, then standardise and replicate
Yuejia’s commercial approach can be read as a three-step model:
- Build a benchmark deployment. Use a live operating environment such as Shenzhen Metro to test navigation, perception, alarms, remote operation and on-site maintenance. Deployment on parts of the metro network is the foundation of that step.
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- Standardise the workflow. Combine the robot chassis, sensor payload, inspection route, reporting process and platform interfaces into a sector-specific solution. Yuejia’s stated ability to gather acoustic, optical, electrical and gas data and automatically produce reports is part of that workflow.
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- Replicate it in related settings. The larger Max models are aimed at large industrial inspection, firefighting and police/public-safety work, while the company has named power inspection, hazardous-chemical supervision, warehousing and emergency rescue as expansion areas.
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The decisive hurdle is not simply a robot’s speed or carrying capacity. It is whether the system can operate safely over time and connect with the customer’s established inspection, alerting and response procedures.
Production scale and AI claims still need to be proven
Yuejia is also trying to move from project deployments to volume production. Public reporting says it is targeting annual capacity of 10,000 units in the Greater Bay Area by the end of October, supplying metro networks as well as standardised power and emergency deployments.5 That is a capacity goal, not evidence that the company has already made or sold 10,000 robots.
The company has also described an embodied-AI training and simulation platform designed to model robot kinematics, dynamics and real-world interaction. It estimates total cost at one-fifth of peers’ costs and says it combines lidar, computer vision and inertial navigation in a perception-decision-execution loop.30
These are company claims. There is no independent audit or reproducible public comparison for the cost estimate or positioning-accuracy claim.
Humanoid-robot technology is part of Yuejia’s longer-term narrative, but the available material more clearly supports a focus on motion control, biomimetic robots and embodied-AI platforms than on a commercially launched humanoid product.43 For customers and investors, the more meaningful evidence will be operating records, reliability data and repeat orders from metro and industrial deployments.
Bottom line
Yuejia Dynamics is positioning its quadruped and wheel-legged robots as industrial inspection platforms rather than novelty machines. The YJ30 and YJ30W cover lighter, potentially scalable jobs in parks and smaller facilities. The YJ30 Max and YJ30W Max add heavier payloads and IP67 protection for industrial, firefighting and public-safety applications.
The Shenzhen Metro deployment is an important reference case, but a wider rollout, the 10,000-unit annual-capacity target and the claimed cost advantage of its AI simulation platform all remain plans or claims that will need to be tested against future delivery and operational data.4
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What is the short answer to "How Yuejia Dynamics Put Robot Dogs to Work on Shenzhen Metro"?
Yuejia Dynamics says its quadruped robots are already conducting routine inspection work on parts of Shenzhen Metro, including equipment status recognition, environmental anomaly alerts and designated facility checks....
What are the key points to validate first?
Yuejia Dynamics says its quadruped robots are already conducting routine inspection work on parts of Shenzhen Metro, including equipment status recognition, environmental anomaly alerts and designated facility checks.... Its YJ30 and YJ30W are lighter robots for parks and smaller industrial settings, while the IP67 rated YJ30 Max and YJ30W Max target heavier industrial, firefighting and public safety work.[20]
What should I do next in practice?
The company is targeting annual capacity of 10,000 units in the Greater Bay Area by the end of October.