

Product Categries
Selection Recommendation & Hot Sales
Robot Joint Actuator | |||||||
Classify | Advantages | Disadvantages | Applicable Scenarios | Application Types | Models | Torque(N·m) | Weight(kg) |
Harmonic Actuator | 🎯High precision | Flexible gear fatigue-prone; | Collaborative Robot; | Projects with high position accuracy requirements and limited space | M Series | 3.2~85NM | 0.4~2.5kg |
PH Series | 1.0~144NM | 0.18~3.09kg | |||||
EHS Series | 11.0~150NM | 0.71~4.7kg | |||||
EHD Series | 11.0~150NM | 0.78~4.74kg | |||||
Planetary Actuator | 🧱High rigidity | Relatively large size; | Industrial Robot; | Industrial applications that place greater emphasis on load capacity and durability | PP Series | 32~52NM | 0.08~0.51kg |
EXS Series | 1.5~10NM | 0.3~0.71kg | |||||
EXD Series | 4.5~50NM | 0.49~1.7kg | |||||
EXY Series | 2.5~145NM | 0.26~3.6kg | |||||
Direct Drive Actuator | ➰Zero backlash | Low torque; | High-End Service Robot; | Application scenarios that require dynamic response and extremely high precision, while also having a light load | ROB Series | 5.0~40NM | 0.31~1.42kg |
DD Series | 0.09~4.0NM | 0.07~1.02kg | |||||
ER Series | 0.35~1.5NM | 0.24~0.71kg | |||||
EL Series | 0.07~2.79NM | 0.06~0.88kg |
Hollow Rotating Platform | |||||||
Models | Advantages | Disadvantages | Applicable Scenarios | Application Types | Technical Parameters | Adaptive motor | Weight(kg) |
KTN Series | General Type | Large Size; | LiDAR System; | Pursuing cost-effectiveness, | Torque range 30–200 N·m, accuracy ±0.01°, hollow bore diameter Φ20–Φ60mm | 42/57/86 stepper motor | 1.2~80kg |
YH Series | Heavy-Duty Type | Heavy Weight; | Compact Sorting Device; | Limited space on equipment | Torque range 10–60 N·m, accuracy ±0.015°, hollow hole diameter Φ10–Φ30mm | 60/80/130/180 frame servo motor | 8.5~300kg |
GU Series | Industrial High-Torque Type | Heavy Weight; | Automated Assembly Line; | Need to carry heavy objects and start frequently | Torque range 80–300 N·m, repeatability ±0.008° | Planetary+60/80/130 frame servo motor | 5.0~25kg |
KHD Series | Direct Drive Precision Type | Low Torque; | Precision Inspection Equipment; | Need zero backlash and high-precision response | Torque range 30–100 N·m, positioning accuracy ±0.005°, hollow hole diameter Φ25–Φ50mm | 57/86 stepper motor |
Robot Gripper | |||||||
Classify | Advantages | Disadvantages | Applicable Scenarios | Application Types | Models | Single finger gripping max force(N) | Adjustable stroke(mm) |
Robotic Hand | ✋Multi-Finger Control | Complex Control System | Service Robot, Complex Gripping | Bionic, multi-finger flexible grasping, such as medical or R&D institutions | CDH Series | 35N | |
Electric Parallel Gripper | 🧩Simple Structure | Limited Flexibility | Handling, Assembly, Loading | Projects requiring standard grabbing, small and medium load equipment | EPG Series | 100NM | 0~50mm |
EPG-HP Series | 50N | 0~50mm | |||||
RG Series | 300N | 0~75mm | |||||
Electric Rotary Gripper | Gripping & Rotation Combined | High Control Requirements | 3C Assembly, Vision Inspection | Projects that require clamping + rotation integration, compact space, high movement frequency, and efficiency sensitivity | ERG Series | 100N | 0~32mm |
ERGG Series | 25N | 0~26mm | |||||
Electric Vacuum Actuator | 💨Non-Contact Gripping | External Vacuum Required | Glass Handling, Flexible Suction | Flexible material handling, scenarios that cannot withstand hard contact with the gripper, vacuum equipment integration projects | ERS Series | 1kg Payload | 60% Vacuum degree |
EVS Series | 8kg Payload | 70% Vacuum degree | |||||
Electric Linear Slide Table | 🎯High Precision | Limited Load Capacity | Laboratory & Inspection Equipment | Equipment manufacturers and automation integration projects requiring precision displacement | ELS Series | 8kg Payload | 50mm |
Linear Rotary Actuator | Linear & Rotational in One | Limited Starting Torque | Automation Line, Part Rotation | Projects that require a simplified structure, reduced space, and moderate torque and stroke | LRA Series | 70N | 60mm |
Customer Cases

Humanoid robots
The humanoid robot are built with our lightweight joint actuators and smart bionic hands, the intelligent humanoid robot weighing only 48 kg, far lower than the industry average of 60~70 kg.

High-altitude dual-arm drone
July 2023, Shaanxi Baoji State Grid Baoji Power Supply Company state grid high altitude unmanned strategic project purchased our Robot Joint Module assembly for transmission line maintenance.

Automatic grasping robot arm
Custom-made 6 DOF robot arm for grabbing sushi, can be programmed to accurately pick up the food on the dining table, which is a equipped with P Series Robotic Joint Module.

Collaborative Robotics
One of our customers in the Netherlands used M8025 Robotic Rotary Actuator to build a collaborative robot arm equipped with various joints that allow it to move in different directions while working.

Mobile Robots
Robot joint motors are widely used for the mobile robot design. Our Slovakia Customer purchased M8010 and M4215 for insatlling they new version mobile robot, has a small structure and flexible movement.
Service and Assurance
Core Team

Chief Technical Officer
• 7 years in robot product development
• Sino-US Maker Competition winner
• National college context, Top8
• Developed exoskeleton-based robot control system
• 3 invention patents
• 20 utility model patents
• 16 software Copyrights

Procurement Engineer
• 10 years in industrial parts sourcing
• Expert in BOM and global purchasing
• Proficient in ERP and supply chain systems

Supply Manager
• Manages cross-border supply chains
• 8 years in manufacturing SCM
• Skilled in MES and smart warehousing

QC Engineer
• 6 years in robotics production and project management
• Oversees factory production and construction

Selection Engineer
• Pre-sale product selection and function matching
• Troubleshooting during product operation
• Custom solutions based on customer needs

After-Sales Engineer
• Response time <2 hours
• 98% remote fix rate; 30% cost down
• 30+ customer training per year
Customization
Waterproof Customization Wire Customization Low Temperature Motor Customization Buffer Disk Customization
Waterproof IP65 Length and position of Lowest working temperature Improve impact resistance
Waterproof IP67 the wires can be customized can be -40 ℃ Prolong the service life
Quality Assurance

As a professional robot product distributor, we strictly screen cooperative manufacturers to ensure long-term stable supply and high quality of products.
Joint module: meets ISO 9283 robot performance standards
Hollow rotating platform: meets JIS precision grade standard
Robot gripper: meets CE and ROHS certification
All cooperative manufacturers must have ISO 9001 qualifications, inspection reports and long-term shipment records, and pass our core team's on-site inspection and review.
We place strong emphasis on our suppliers' long-term delivery capabilities and batch consistency to prevent disruptions in customer procurement due to supplier fluctuations. Before any product is launched, it undergoes thorough sample verification, as well as tests for lifespan, load capacity, and communication compatibility — ensuring every product delivered is mature and reliable.
Delivery Assurance

As a professional robot product supplier, we promise to provide customers with a stable, clear and controllable supply cycle.
Standard product: joint module, hollow rotating platform, robot gripper, regular style average delivery time 3-7 working days.
Customized product: special size or function customization, delivery time 7-60 working days, delivery schedule is provided when placing an order.
Cross-border delivery support: Southeast Asia and European and American markets, support international express, air and sea transportation, regular logistics time is 7-15 days.
In-transit tracking service: provide logistics order number and status tracking to ensure transparent transportation progress.
After-sales Service Assurance

As a supplier of high-tech robot products, we are committed to providing customers with comprehensive technical support and long-term stable delivery:
Technical support without worries: full-process service of selectio, debugging, parameter setting, product supporting technical manuals, CAD drawings, software interface instructions, to ensure quick start.
Stable supply: core products have a 12-18 month warranty, spare parts are continuously supplied, and support batch customers for regular inspections and system upgrade suggestions.
Information transparency: each batch of products is accompanied by a test report and certificate, parameter disclosure, and support for on-site or video inspection.
Global service: relying on local warehouses in Thailand and cross-border logistics, it stably covers the European and American markets and supports multi-language technical services.
Email:Service80@ttbridge.com
Address:No.96 Ruida Road, High-Tech Zone, Zhengzhou City, Henan Province, China