Precision CNC machining · OEM manufacturingTianjin, China · International supply

About OuNaiDa

Manufacturing experience, carried forward.

Tianjin OuNaiDa Transmissions Technology Co., Ltd. continues a manufacturing business developed in Tianjin around precision mechanical and transmission components.

Company profile

A CNC partner for parts that must fit and work.

Our work centers on custom CNC milled and turned components manufactured from drawings and samples. Customers include industrial equipment builders, automation integrators, distributors and maintenance teams requiring stable replacement or repeat supply.

The current OuNaiDa company name was adopted in 2025 as the business expanded its focus on precision manufacturing, technical support and international supply. The manufacturing experience behind the company reaches back to 2003 in Tianjin.

OuNaiDa machining, tooling and CMM resources in one production aisle
A maintained conventional lathe and modern enclosed CNC turning center in the same clean workshop

Manufacturing Roots

Mechanical transmission component supply and machining activity began in Tianjin.

Machining Expansion

Milling and turning resources expanded to support a broader range of drawing-based parts.

Process & Inspection

Additional CNC, grinding and dimensional verification resources strengthened production control.

OuNaiDa Established

The business adopted the name Tianjin OuNaiDa Transmissions Technology Co., Ltd.

A machined housing secured in a datum-led fixture beside its matching CAD model

How we work

Clear requirements. Practical answers.

We do not claim that every drawing is ready for production or that every tolerance needs the same process. Our role is to identify what is manufacturable, what needs clarification and which controls are necessary for the part to work as intended.

Drawing review

From your drawing
to a production-ready part.

Include material, quantity, critical tolerances, surface finish and required documents. We will review manufacturability before quotation.

Send Your Drawing