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kingkin.com

Industrial Track & Fitting Solutions

Ningbo Kingkin International Trade Co., Ltd. delivers high-performance E-Track rollers, bolt plates, winches, and airline track fittings for logistics, transportation, and industrial applications.

E-Track Roller Idler Fitting Assembly
Factory Inspection

About Ningbo Kingkin International Trade Co., Ltd.

With over 11 years of experience, Ningbo Kingkin International Trade Co., Ltd. is a trusted supplier of industrial track systems and fittings. We specialize in E-Track rollers, bolt plates, manual winches, and airline track components designed for durability and precision.

Our products are used in cargo securing, transportation, logistics, and industrial equipment worldwide. Every component undergoes strict quality control and is manufactured using advanced production lines verified by third-party inspections.

11+
Years in Business
Global
Shipping

Our Products

Explore our range of high-quality industrial fittings and track components engineered for reliability and performance in demanding environments.

E-Track Roller Idler Fitting Assembly

E-Track Roller Idler Fitting Assembly

High-strength roller idler designed for E-Track systems. Ensures smooth movement and secure cargo positioning.

  • Durable steel construction
  • Corrosion-resistant finish
  • Precision roller mechanism
2-inch Bolt Plate

2-inch Bolt Plate

Heavy-duty bolt plate for secure fastening in track systems. Ideal for industrial and transportation applications.

  • 2-inch diameter design
  • High-tensile steel
  • Threaded bolt for secure fit
Manual Winch

Manual Winch

Robust manual winch for cargo securing and tensioning applications. Ergonomic handle for ease of use.

  • High gear ratio for power
  • Durable steel housing
  • Locking mechanism for safety
E-Track Roller Idler Fitting Assembly

E-Track Roller Idler Fitting Assembly (Compact)

Compact version of the roller idler assembly for space-constrained E-Track installations.

  • Space-saving design
  • Full load capacity
  • Easy installation
Double Lug Threaded Stud Fitting

Double Lug Threaded Stud Fitting

Heavy-duty stud fitting for airline track systems. Double lug design ensures maximum stability.

  • Double lug reinforcement
  • Threaded stud for secure mounting
  • Zinc-plated for corrosion resistance
Heavy-Duty Bolt Plate

Heavy-Duty Bolt Plate (Reinforced)

Reinforced version of the 2-inch bolt plate with additional support ribs for extreme load conditions.

  • Reinforced rib structure
  • Suitable for heavy cargo
  • Precision-machined threads
Heavy-Duty Manual Winch

Heavy-Duty Manual Winch

Industrial-grade manual winch with increased load capacity and enhanced braking system.

  • 2x load capacity
  • Dual brake safety
  • Anti-slip handle grip
Airline Track Stud Fitting

Airline Track Stud Fitting (Standard)

Standard double lug stud fitting for airline cargo track systems. Reliable and widely compatible.

  • Universal airline standard
  • Quick installation
  • Load-tested design

Why Choose Kingkin?

We combine quality manufacturing, rigorous testing, and global support to deliver reliable industrial components.

Verified Production

Our factory has been inspected and verified with documented production lines ensuring consistent quality and capacity.

Quality Assured

Every product undergoes strict quality control processes and is backed by inspection reports and performance testing.

Global Supplier

We ship worldwide with reliable logistics partners, ensuring your components arrive on time and in perfect condition.

Precision Engineering

Our components are engineered for exact specifications, ensuring seamless integration and optimal performance.

Durable Materials

We use high-tensile steel and corrosion-resistant finishes to ensure long service life even in harsh environments.

Expert Support

Our team provides technical guidance and support to help you select the right components for your application.

11+
Years Experience
Global
Shipping
100%
Quality Checked
24/7
Support Ready

Frequently Asked Questions

Get answers to common questions about our products and services.

What materials are your fittings made from?

Do you offer custom manufacturing?

What is the lead time for orders?

Do you provide product certifications?

What shipping methods do you use?

Get in Touch

For inquiries, quotes, or technical support, visit our official website to contact Ningbo Kingkin International Trade Co., Ltd.

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