Our Brand: KDI
"KDI"represents:
- Kinetic
- Drive
- Integration

Precision in Motion, Integrated for Performance
-
20yearsManufacturing experience -
100Enterprise employees -
300+Overseas distributor -
15yearsExport experience -
9000㎡Land area
KDI/OuNaiDa: 20+ Years of Excellence in Mechanical Transmission
Precision in Motion, Integrated for Performance
With over 20 years of manufacturing experience, KDI/OuNaiDa stands as a premier leader in the mechanical transmission industry. We are a comprehensive high-tech enterprise integrating R&D, production, sales, and full-cycle service, dedicated to providing world-class motion control solutions for global industrial automation.
State-of-the-Art Manufacturing & Metrology
We believe that precision is the foundation of performance. To ensure the highest standards of durability and accuracy, our facility is equipped with a suite of industry-leading machinery:
Precision Grinding: High-performance Gear Grinding Machines and Geat Rack Grinding Machines that deliver superior tooth surface finish and kinematic accuracy.
Surface Perfection: Advanced Surface Grinders to ensure optimal flatness and structural integrity.
Advanced Metrology: Our Hexagon/Zeiss Three-Coordinate Measuring Machines (CMM) provide rigorous dimensional verification, ensuring every component meets micron-level tolerances.
Annual Verification: Every test instrument is verified yearly by certified third-party laboratories.
Certified Quality, Global Trust
Quality is not just a slogan; it is our core identity. Our commitment to excellence is backed by internationally recognized certifications, providing our partners with peace of mind and market-ready compliance:
ISO 9001:2015: Certified Quality Management System.
CE: Compliance with European safety and performance standards.
RoHS: Adherence to environmental protection and hazardous substance restrictions.
Our Core Value: Kinetic Drive Integration
The name KDI represents our mission: to provide Kinetic Drive Integration. We don't just manufacture parts; we integrate 20 years of engineering wisdom into every component. Whether it is for high-end CNC machinery, robotics, or medical equipment, our products are engineered to optimize efficiency and extend the lifecycle of your systems.


Why Partner with us?
Expertise
Two decades of specialized experience in mechanical transmission.
Innovation
In-house R&D team focused on high-precision and low-noise technology.
Reliability
Strict QC protocols supported by advanced testing equipment.
Global Reach
Providing integrated solutions for clients across diverse international industries.
KDI /OuNaiDa- Precision in Motion, Integrated for Performance.

