01
01 COMPANY OVERVIEW
Established in 2012, SHENZHEN TENKAI GROUP LIMITED (TKFAN) has dedicated nearly 15 years to the innovation, design, and manufacturing of high-performance cooling fans and advanced motor electronics. We provide comprehensive thermal management and motor drive solutions to global customers.
Operating from a modern 5,000 m² facility with over 100 skilled employees, we deliver an annual output valued at 50 million RMB. With 50% of our products exported worldwide, we are a trusted OEM/ODM partner committed to strict ISO9001 quality management and UL safety standards.
15+
Years Experience
5,000 m²
Production Base
100+
Skilled Staff
50%
Global Exports
02
02 HISTORY & MILESTONES
2012 Company Foundation
TKFAN was officially established with a dedicated focus on precision cooling technology and advanced brushless motor design.
2015 Waterproof & Dustproof Innovation
Scaled mass production of advanced IP55–IP68 waterproof motors and fans, utilizing specialized conformal coating and structural sealing technology.
🛡️ Rating: IP55 – IP68 Waterproof Certified
2017 ISO9001 Quality System Certification
Successfully certified under the ISO9001 Quality Management System, establishing standardized production processes and rigorous quality assurance.
2018 UL Safety Certification & North America Access
TKFAN products successfully obtained UL listing, verifying compliance with international safety standards and expanding access to North American markets.
2020 Ultra-Compact Micro DC Fans Commercialization
Broke physical size limits in ultra-compact thermal design by initiating mass production of micro DC fans for precision electronics and wearable devices.
📐 Ultra-Compact: 15×15×4mm Micro Fans
2021 Medical Device Expansion & High-Pressure Blowers
Achieved a technology breakthrough by scaling mass production of specialized blowers designed for high static pressure with ultra-low noise for patient comfort.
2023 Automotive ADAS LiDAR Sensor Blower Mass Production
Mass production of specialized blowers for autonomous driving sensor cleaning systems, securing Tier-1 supplier status and accelerating ADAS commercialization.
2025 Strategic Partnership with Air Monitoring Leaders
Developed specialized blowers for particle counters and secured a strategic partnership with a global leader to accelerate advanced air monitoring solutions.
2026 Full Integration: Components, Systems & Controls
Expanded business scope to deliver end-to-end integration across specialized components, thermal engineering, and smart motor controllers (FOC sine-wave, CAN/RS485).
03
03 MARKET APPLICATIONS
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04
04 R&D & TECHNOLOGY
Pioneering Aerodynamic & Motor Innovation
Backed by nearly 15 years of continuous innovation, TKFAN integrates advanced aerodynamic design, precision BLDC motor engineering, and proprietary electronic controls. We specialize in customizing DC air blowers and cooling fans for high static pressure, ultralow noise, and extreme operational reliability.
Our end-to-end R&D capability enables rapid prototyping, custom motor driver development, and complete fluidic system optimization tailored to your OEM/ODM device requirements.
💡 Need specialized blower specifications? Explore our full Air Blower Customization Capabilities →
🎬 Watch Video: TKFAN R&D & Motor Testing Center Showcase
1. Advanced CFD Aerodynamic & Impeller Simulation
Utilizing 3D ANSYS Fluent CFD modeling, our engineers analyze internal airflow velocity, pressure distributions, and vortex turbulence within the blower casing. This aerodynamic refinement allows us to achieve optimal volumetric airflow and maximum static pressure while significantly minimizing acoustic noise (NVH).
- Custom Blade Geometry: High-efficiency backward and forward-curved centrifugal impellers.
- Acoustic Tuning: Optimized scroll housing design to suppress motor harmonics and air friction noise.
🎬 Watch Video: Advanced Blower Impeller CFD Aerodynamic Simulation Analysis
2. Proprietary BLDC Motor & Driver Control Integration
We design and assemble high-efficiency brushless DC (BLDC) motors and smart PCBA driver controllers in-house. Our advanced control algorithms provide precise speed feedback, low electromagnetic interference (EMI), and reliable continuous operation under varying load conditions.
- Smart Signal Support: 4-wire PWM speed control, FG tachometer signal, and RD alarm output.
- Closed-Loop Flow Control: Microcontroller-based automatic speed compensation to offset filter backpressure drops.
- Advanced Drivers: FOC (Field-Oriented Control) sine-wave drivers for silent and smooth motor rotation.
🎬 Watch Video: Proprietary BLDC Motor & Driver PCBA Control Technology
3. Comprehensive Reliability & Performance Testing Lab
Every TKFAN design undergoes stringent environmental and mechanical validation inside our specialized testing facilities before entering mass production. This guarantees long-term durability (L10 lifespan up to 70,000 hours at 40°C).
💨 Wind Tunnel Airflow Bench
Measures precise P-Q performance curves under varying static backpressures.
🔊 Semi-Anechoic Chamber
ISO-standard acoustic & vibration testing with ultralow background noise.
🌊 IP68 Waterproof & Thermal Test
Vacuum potting underwater validation & rapid thermal shock (-40°C~85°C).
Full OEM / ODM Customization Workflow
1
Requirements
P-Q, Voltage, Noise & Size
➔
2
CFD & PCB Design
Aerodynamic & Driver Hardware
➔
3
Rapid Sample
3D Prototype & Lab Validation
➔
4
Mass Production
ISO9001 Strict QC & Shipping
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05 MANUFACTURING & PROCESS CAPABILITIES
1. Precision Motor Winding Technology
Advanced high-speed automated winding processes tailored for various motor topologies, ensuring high copper fill factors, consistent coil tension, and superior electromagnetic performance.
- External Rotor Winding: High-density automated flyer winding for outer-rotor cooling fans and blowers.
- Internal Rotor Winding: Precision slot-filling winding optimized for high-rpm inner-rotor BLDC motors.
- Coreless Winding: Specialized self-bonding coil technology for ultra-compact, ironless coreless motors.
- Voice Coil Winding: High-precision voice coil production for lightweight, high-dynamic response linear actuators.
🎬 Watch Video: Precision Motor Winding Process Showcase
2. Dynamic Balancing & Correction Process
Multi-tiered dynamic balancing system engineered to eliminate mechanical vibration, minimize noise (NVH), and extend bearing service life under continuous operating speeds.
- Gripper Balance Mode: Fast, non-destructive dynamic balancing fixture for specialized impellers and small rotors.
- Internal Rotor Horizontal Mode: Dedicated horizontal balancing bench designed for long-shaft inner-rotor motor assemblies.
- Dual-Plane System Mode: High-precision dynamic correction across two physical planes for high-aspect-ratio blowers and impellers.
- Single-Plane System Mode: Standard single-plane dynamic balance calibration for thin axial fan blades.
- Manual Balancing Mode: Fine-tuned manual correction for prototype development and specialized low-volume custom orders.
- Fully Automated Balancing Mode: High-throughput robotic weight addition/removal balancing for high-volume mass production.
🎬 Watch Video: Automated Dynamic Balancing Line Demonstration
3. Impeller Plastic Injection Molding Process
High-precision plastic injection molding utilizing engineered polymers (PBT, PC, and glass-fiber reinforced materials) to ensure exceptional aerodynamic symmetry, structural durability, and minimal deformation under high ambient thermal stresses.
🎬 Watch Video: High-Precision Impeller Injection Molding
4. Ultrasonic Impeller Welding Process
State-of-the-art ultrasonic acoustic welding technology for multi-piece enclosed impellers, producing clean, high-strength structural bonds and airtight joints without the need for thermal adhesives or mechanical fasteners.
🎬 Watch Video: Precision Ultrasonic Impeller Assembly
5. Automated Potting & Encapsulation Process
Automated two-component epoxy/silicone vacuum dispensing system for PCBA and stator encapsulation, providing complete insulation against harsh environments and delivering IP55–IP68 waterproof, dustproof, and anti-corrosion protection.
🎬 Watch Video: Automated Motor Potting & IP68 Sealing
6. Laser Marking & Traceability System
High-precision fiber laser engraving for sharp, permanent product labeling, including QR codes, unique serial numbers, voltage specs, and certification badges, ensuring full supply-chain batch traceability.
🎬 Watch Video: Laser Engraving & Part Serialization
7. 100% Finished Product EOL (End-of-Line) Testing
Rigorous 100% End-of-Line inspection covering high-voltage dielectric withstand, current/power waveform analysis, PWM feedback calibration, aerodynamic P-Q performance verification, and acoustic noise screening before packaging.
🎬 Watch Video: Automated EOL Testing Line in Action
06
06 CUSTOMIZATION
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07
07 CONTACT US
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