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Precision Transmission Components for Global Industries

20+ years of excellence in manufacturing gears, gear racks, sprockets, roller chains, timing pulleys & belts. OEM parts accepted. ISO 9001 & CE certified.

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About OUNAIDA

Tianjin OuNaiDa Transmissions Machinery Co., Ltd. has been manufacturing high-quality transmission components for over 20 years. With our own factory and professional technical team, we deliver reliable, precision-engineered solutions worldwide.

Factory and Machinery

Trusted Manufacturer Since 2008

Founded in Tianjin, China, we specialize in gear pinions, gear racks, timing pulleys, belt pulleys, timing belts, roller chains, and sprockets. Our commitment to quality and innovation has earned us a strong reputation across 100+ countries.

  • 20+ years of production experience
  • 15+ years of export experience
  • Own source factory with CNC machines
  • OEM/ODM parts accepted
  • 24/7 online support and one-stop solution
20+
Years Production
100+
Countries Served

Our Products

High-precision mechanical components engineered for durability, performance, and seamless integration in industrial applications.

Grinding Gear

Grinding Gear

High-precision ground gears for smooth transmission and minimal noise. Ideal for precision machinery and automation systems.

Category: Gear | Precision: ±0.01mm
Spiral Bevel Gear

Spiral Bevel Gear

Efficient power transmission at right angles. Used in automotive, aerospace, and heavy machinery applications.

Category: Gear | Material: Alloy Steel
C45 Steel Timing Pulley

C45 Steel Timing Pulley

Durable timing pulley made from C45 carbon steel. Designed for high torque and long service life.

Category: Timing Pulley | Hardness: HRC 40-45
Aluminum Timing Pulley

Aluminum Timing Pulley

Lightweight and corrosion-resistant pulley ideal for high-speed applications and weight-sensitive systems.

Category: Timing Pulley | Material: Aluminum Alloy
Timing Belt

Timing Belt

Synchronous belt with high tensile strength and excellent wear resistance. Ensures precise motion control.

Category: Timing Belt | Type: Rubber/PU
Ribbed Belt

Ribbed Belt

Multi-ribbed belt for efficient power transmission in compact drives. Low noise and high flexibility.

Category: Timing Belt | Application: HVAC, Automotive
Black Oxide Sprocket

Black Oxide Sprocket

Corrosion-resistant sprocket with black oxide finish. Suitable for harsh environments and industrial conveyors.

Category: Sprocket | Finish: Black Oxide
Idler Sprocket

Idler Sprocket

Supports roller chain tension and alignment. Ensures smooth operation and extended chain life.

Category: Sprocket | Function: Chain Tensioner
Short Pitch Roller Chain

Short Pitch Roller Chain

High-strength roller chain for power transmission in machinery, packaging, and automation equipment.

Category: Roller Chain | Standard: ISO, ANSI
Helical Gear Rack

Helical Gear Rack

Smooth and quiet linear motion transmission. Ideal for CNC machines, robotics, and precision positioning.

Category: Gear Rack | Module: M1-M10
Spur Gear Rack

Spur Gear Rack

Straight-toothed gear rack for high-load applications. Durable and easy to install.

Category: Gear Rack | Material: C45, 40Cr
Helical Gear

Helical Gear

High-efficiency gears with angled teeth for smoother and quieter operation compared to spur gears.

Category: Gear | Pressure Angle: 20°
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Why Choose OUNAIDA?

We combine decades of engineering expertise with cutting-edge technology to deliver transmission components you can trust.

Quality Control

Strict adherence to ISO 9001 and CE certification standards ensures every product meets international quality requirements.

Global Experience

15+ years of exporting experience across 100+ countries. We understand diverse market needs and logistics.

Advanced Machinery

Equipped with CNC hobbing, grinding, lathe, and laser marking machines for precision manufacturing.

OEM/ODM Support

Custom solutions based on your specifications. From design to delivery, we handle it all.

20+
Years Experience
100+
Countries Served
24/7
Customer Support
OEM
Accepted

Frequently Asked Questions

Get answers to common inquiries about our products and services.

Do you accept OEM/ODM orders?

Yes, we accept both standard and custom OEM/ODM orders. Our technical team can develop products based on your detailed requirements.

What certifications do you have?

We adhere to ISO 9001 quality management standards and our products meet CE certification requirements.

What payment methods do you accept?

We accept VTB account payments. Other payment terms can be discussed upon request.

How long does delivery take?

Typical lead time is 15-30 days depending on order quantity and customization. We provide updates throughout the process.

Can I get samples?

Yes, we offer samples for quality evaluation. Contact us with your requirements and we’ll arrange accordingly.

Get in Touch

Ready to start a project or have questions about our products? Reach out to our team for expert support.

Phone

+(86) 022 83703208

+86 18522043971

Email

[email protected]

Location

NO. 3-10-5 Beifang cheng, Miyun Road, Nankai District, Tianjin, China

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