Heavy Duty Hinges
Your Door Hinge Manufacturer for Heavy-Duty Strength & Reliability
Kunlong’s heavy-duty hinges are designed to support heavy equipment such as security doors and cabinet doors, with excellent load-bearing capacity – easily supporting heavy doors over 100KG, durability of more than 24,000 openings and closings, and stable and smooth operation. Our hinges are made of high-quality materials such as stainless steel and reinforced alloys to ensure long-lasting performance even under high loads, frequent use and harsh environments.
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The Smart Choice for Quick and Versatile Solutions:
3000+ Standard Hardware Items,
3000+ Standard Hardware Items,Ready to Ship in 7 Days
Ready to Ship in 7 Days
Tailored Access Hardware Solutions for Your Industry from 5 Key Aspects
If you’re unsure about choosing the right hardware type or material for your equipment, or want to enhance the performance of your existing hardware to meet the latest requirements, our tailored solutions will provide clear guidance to help you make informed decisions.
Material
Dimension
Function
Intelligent Control
Appearance
Kunlong Heavy-Duty Hinge in 12 Critical Applications
Heavy-duty hinges play a crucial role in industries where robust door support is essential. Designed for high-load capacity and long-lasting durability, they are commonly used in industrial enclosures, heavy machinery, transportation systems, and security doors. Built to endure frequent use, demanding conditions, and substantial weight, our heavy-duty hinge solutions provide stable, long-term performance. Trusted by over 20,000 customers across various industries, Kunlong ensures precision engineering and reliability in every application.
Aviation, Shipbuilding and Railway Equipment
5G Equipment, Telecom Cabinets and Power Boxes
3C and Semiconductor Automation
New Energy and Environmental Equipment
Lithium Battery Production and Testing
Food and Pharma Production and Packaging
Shielding and Soundproofing Equipment
Storage Racks, Overhead Racks, and Carts
Test Chambers and Industrial Ovens
Biomedical Equipment
Cold Storage and Cold Chain
General
Equipment
Affordable, One-Stop Customized Solutions with End-to-End Quality Assurance
Full Range of Hardware Solutions for Equipment:
Handles, Hinges, Locks, and More.
Built to Last:
20,000+ Cycles for Lower Maintenance Costs.
1-on-1 Support:
Minimized Communication Costs, Maximized Efficiency
Kunlong - Your Leading Industrial Hinge Manufacturer in China
Founded in 2005, Kunlong has spent over 20 years specializing in industrial enclosure hardware. We offer complete solutions, respond quickly to customer needs, and ensure high-quality products and services. Today, 20,000+ customers worldwide trust our expertise.
Efficient Production & Strong Supply Network
Quality Control Beyond Industry Standards
End-to-End Customization for Optimal Performance
Dedicated After-Sales Service for Premium Experience
Leading Door Hinge Manufacturer with Global Industry Certifications
As one of the leading manufacturers of industrial door hinges, Kunlong’s principle is to provide customers with the highest standard of industrial hardware. Our hardware solutions are globally certified, including SGS, CE, ROHS, REACH and ISO. We promise to provide solid and durable support for your equipment operation.
Get in Touch Today and Start a Partnership that Delivers Results!
Whether it is a sample or mass customized production, from 1 to 100,000 pieces, Kunlong uses the same lean process to ensure the high quality of each product.
