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Tianjin OuNaiDa Transmissions Technology Co., Ltd. has manufactured gear pinions, gear racks, timing pulleys, belt pulleys, timing belts, roller chain, sprockets for 20 years. OEM parts also accepted. We have our own factory and professionnal team. VTB account payment accepted.

  • Company: Tianjin OuNaiDa Transmissions Technology Co., Ltd.
  • Brand: KDI
  • CNC Expert of R&D, Process, Assemble, Test and Delivery
  • Leading Supplier of High-Precision Power Transmission Parts and Machinery Accessories
  • Precision Gear Racks, Linear Guides & Ball Screws Manufacturer

KDI / OuNaiDa

Reliable partner in the field of power transmission parts

KDI Represents: Kinetic Drive Integration

20+ Years of Excellence

With over 20 years of manufacturing experience, KDI/OuNaiDa stands as a premier leader in the mechanical transmission industry, dedicated to world-class motion control solutions.

State-of-the-Art Manufacturing

Equipped with High-performance Gear Grinding Machines and Hexagon/Zeiss CMM for micron-level tolerances.

Manufacturing

Certified Quality, Global Trust

Our commitment to excellence is backed by recognized certifications:

ISO 9001

ISO 9001:2015

CE

CE Compliance

RoHS

RoHS Adherence

Why Partner with us?

Expertise

Two decades of specialized experience.

Innovation

In-house R&D team for precision technology.

Reliability

Strict QC protocols and advanced testing.

Global Reach

Serving diverse international industries.

KDI / OuNaiDa — Precision in Motion, Integrated for Performance.