About us
Precision Transmission Components for Global Industry
Tianjin OuNaiDa Transmissions Technology Co., Ltd. supplies industrial transmission and motion components, combining manufacturing experience, technical support, precision machining and dependable quality control.
Built Around Precision, Reliability and Long-Term Cooperation
Founded in Tianjin in 2003, TJOND has developed from a specialized sprocket supplier into a comprehensive manufacturer and supplier of industrial transmission and motion components.
Our product range includes roller chains, sprockets, gears, gear racks, timing pulleys, timing belts, linear guides, ball screws and custom machined components. Standard products and non-standard parts can be supplied according to drawings, samples or application requirements.
We support customers from product selection and drawing review through machining, inspection, packaging and international delivery.
- Factory-based manufacturing
- Drawing and sample production
- Technical selection support
- Precision dimensional inspection
- Small and batch production
- International export packaging
More than two decades of experience in industrial transmission components.
Chain drive, gear and synchronous drive, linear motion and custom machining.
Production according to drawings, samples, materials, tolerances and application needs.
Export-oriented service, protective packaging and worldwide shipping support.
Manufacturing Support from Concept to Delivery
We combine standard product supply with engineering support and custom manufacturing to serve different industrial applications and purchasing requirements.
In-House Manufacturing
Controlled production processes help maintain stable dimensions, consistent performance and dependable supply.
Precision Machining
CNC machining, gear processing and controlled finishing for standard and non-standard industrial components.
OEM Customization
Custom materials, dimensions, bore designs, keyways, tolerances, heat treatments and surface finishes.
Technical Support
Assistance with model selection, drawing review, application requirements and product optimization.
Quality Inspection
Dimensional inspection, CMM measurement and documented checking according to product and customer requirements.
Global Delivery
Export packaging and shipping support by express, air freight, sea freight or appointed forwarders.
Integrated Transmission and Motion Solutions
A broad product range allows customers to source standard components and custom parts from one experienced supplier.
Chain Drive Series
Roller chains, engineering chains, conveyor chains and industrial sprockets.
Explore products →
Gear, Rack & Synchronous Drive
Gears, precision gear racks, timing pulleys, timing belts and related components.
Explore products →
Linear Motion Series
Linear guide rails, linear blocks, ball screws, ball nuts and motion components.
Explore products →
Custom Machined Parts
CNC machined shafts, brackets, housings and non-standard components made to specification.
Explore products →
Quality Is Controlled at Every Important Stage
From material selection and machining to heat treatment, surface finishing, dimensional inspection and packaging, every important stage is managed to support consistent product quality.
- Incoming material and dimensional verification
- In-process inspection during production
- CMM and precision measuring equipment
- Final inspection before packaging and shipment
- Inspection documentation based on order requirements
Explore Our Company in More Detail
Learn about our development, manufacturing strengths, quality system and the principles behind our work.
Company Profile & History
Discover our development from a specialized component supplier to an integrated transmission solutions provider.
→Our Advantages
Explore our manufacturing capability, customization, technical support and quality control strengths.
→Certification
Review our quality management, product compliance and precision inspection commitments.
→Core Values
Understand the values that guide our quality, service, cooperation and continuous improvement.
→Looking for a Reliable Transmission Component Supplier?
Send us your product model, drawing, sample, material, quantity and application requirements. Our team will review the details and provide suitable technical and quotation support.
