Company Profile & History
More Than Two Decades of Industrial Transmission Experience
Founded in Tianjin in 2003, TJOND specializes in industrial transmission components and custom-machined parts for customers across a wide range of industries.
Our product range includes roller chains, sprockets, gears, gear racks, timing pulleys, timing belts, linear guides, ball screws and precision components manufactured according to drawings, samples and application requirements.
From technical confirmation and material selection to machining, inspection, packaging and international delivery, our team provides coordinated support throughout every project.
Industrial Transmission Components and Customized Solutions
Standard transmission products and customized components manufactured according to drawings, samples and operating conditions.
Support from Technical Review to Final Inspection
Engineering confirmation, precision manufacturing, inspection and export delivery are coordinated according to each project.
Engineering Support
Product selection, drawing review, material recommendations and technical confirmation based on application requirements.
Precision Manufacturing
Gear cutting, gear-rack machining, CNC turning, CNC milling, grinding, heat treatment and surface finishing.
Quality Inspection
Critical dimensions, tooth profiles, bores, pitches, mounting features and specified tolerances are inspected.
OEM & Custom Production
Customized products can be manufactured according to drawings, samples, materials and operating requirements.
Precision Equipment for Standard and Customized Components
Modern machining equipment supports dimensional consistency, production efficiency and drawing-based manufacturing.
Gear Machining Center
Precision machining equipment for gears and related transmission components.
CNC Turning Capability
CNC turning supports shafts, hubs, bores and customized precision-machined components.
Continuous Development in Precision Transmission
From our first sprocket in 2003 to precision gear and gear-rack manufacturing, modern inspection equipment and international certification, TJOND has continued to improve its manufacturing and quality-control capabilities.
Our Beginning in Tianjin
OuNaiDa began its journey in Tianjin. Starting with our first sprocket, we established our focus on industrial transmission products.
Expansion into Gear Manufacturing
Our product range expanded, and we developed core gear manufacturing processes, progressing from individual parts to broader transmission solutions.
Focus on Precision Transmission
We continued improving gear-manufacturing accuracy and established precision transmission as a long-term direction.
Integrated Product Portfolio
A broader product system was established around gears, gear racks, sprockets, roller chains and timing pulleys.
Machining Capability Upgraded
Milling and turning equipment was introduced to improve production efficiency, machining accuracy and customized manufacturing capability.
Investment in Precision and Inspection
Coordinate measuring machines and CNC gear-rack grinding equipment were introduced to strengthen precision machining, dimensional inspection and gear-rack manufacturing.
Certification and Company Upgrade
OuNaiDa obtained CE, ISO 9001 and RoHS certifications. In December 2025, the company officially changed its name to Tianjin OuNaiDa Transmissions Technology Co., Ltd.
Serving International Customers
TJOND supplies standard and customized transmission components with technical confirmation, quality inspection, export packaging and worldwide delivery support.
Reliable Products, Clear Communication and Responsive Support
We help customers reduce sourcing complexity and obtain transmission components that match confirmed drawings, specifications and application requirements.
Broad Product Coverage
Multiple industrial transmission categories are available from one coordinated supply partner.
Drawing-Based Customization
Production according to drawings, samples, materials and application-specific requirements.
Quality Documentation
Inspection reports, material certificates and compliance documents are available according to project requirements.
International Supply Support
Support for quotation, technical confirmation, export packaging and worldwide delivery.
Looking for a Reliable Transmission Components Supplier?
Send us your product model, drawing, material requirement, quantity and application details. Our team will review your request and provide a suitable solution.
