High-Performance Hinges for Manufacturing and Industrial Applications
Kunlong’s industrial hinge series is built for durability, precision, and adaptability. Whether it is a heavy-duty load-bearing hinge or a detachable hinge, our hinges are carefully designed by engineers to meet the needs of extreme temperature environments and high-frequency use more than 24,000 times. Kunlong’s customized hinge solutions can provide the required reliability for your equipment, regardless of your demand for corrosion resistance, aesthetics and load-bearing capacity of industrial hinges.
Select the Perfect Industrial Hinge for Your Application Needs
Refrigerator Hinges
Butt Hinges
Concealed Hinges
Detachable Hinges
Heavy Duty Hinges
Torque Hinges
Offset Hinges
Stainless Steel Hinges
Industrial Hinges That Work as Hard as You Do
An entire operation can be halted due to a malfunctioning hinge. This is why we put considerable resources into independent research and development designing hinges for industrial purposes that mitigate problems for our customers. Kunlong has over 20 years of experience in hinge manufacturing. We are not only your hinge manufacturer, but also your continuous improvement partner, working with you to create the future of the equipment industry.
Stability and Smooth Operation: The Core Advantages of Our Industrial Hinges
99.8% Defect-free Rate
We guarantee that all internally produced hardware, whether hinges, handles or draw latches, has a defect-free rate of 99.8%, and any unqualified products are not allowed to leave the factory. High quality standards mean fewer returns and exchanges, thereby reducing maintenance costs for our customers.
99.99995% Processing Accuracy
Our advanced technology ensures 99.99995% machining accuracy for hardware, exceeding industry standards. An error of less than 0.0005mm allows for a perfect fit with your device and equipment, improves assembly efficiency, and helps with smooth and stable use later.
100% Quality Inspection for Every Unit
Each product undergoes a 100% comprehensive quality inspection before shipment. We have 15 inspection items, such as constant temperature and humidity test, torque test, hardness test, load-bearing test, to ensure the consistency of hardware and that there will be no defects before it reaches the hands of customers.
24,000 Times of Service Life
Our hardware is designed to withstand up to 24,000 cycles, ensuring long-lasting durability in harsh industrial environments. Longer service life means our customers can replace parts less frequently, ensuring continued trouble-free operation of their equipment while reducing maintenance costs.
Every Step Counts: Kunlong’s Production and Quality Assurance Process
Strict Selection of Raw Materials
Hinges, handles, couplings and other hardware are mainly made of stainless steel, zinc alloy, aluminum alloy, rubber, silicone and plastic. To ensure that the materials we purchase have excellent performance and meet our production standards, we have established a strict incoming material testing system and have a dedicated QC team responsible for spot checking all incoming materials.
Uncompromising Production Quality
Alongside the stamping, die-casting, polishing and surface treatment to final assembly, the production of hardware also covers over 30 meticulous processes. Execution of strict control over each step guarantees accuracy and consistency. With a strong production capacity, we can meet customers’ customized needs accurately for the size, thickness, and surface treatment of the hardware.
No Defect Left Undetected
After each piece of hardware is completed, our QC team will conduct a quality inspection. Each of our tests is higher than the industry standard, which is one of the reasons why our hardware has been running stably in customer systems for a long time.
Our must-test items include:
- Temperature and Humidity Test
- UV Aging Test
- Lifetime Test
24,000 Uses Warranty Coverage
We offer comprehensive warranty coverage for all our hardware products, including hinges, locks, handles, couplings, and more. Prioritizing your user experience, we ensure prompt warranty responses (replacement or repair) for hardware with up to 24,000 cycles of use, minimizing any impact on your operations.
Only Hardware that Meets Our Strict Quality Standards Is Accepted, Produced, and Delivered.
Ready to Improve Your Hardware Performance with Our Industry-Specific Solutions?
1. Can I get a sample of the cam lock before placing a bulk order?
Of course, we provide samples for your testing.
2. What is the lead time for customized or mass production orders?
Standard products are shipped within 7 days, and customized products are according to specific solutions, generally within 30 days.
3. Do you provide certifications for product compliance and safety?
We have complete certificates, including CE, SGS, ISO, ROSH, REACH and other certifications.
4. Do you offer after-sales support and warranty for your products?
We provide at least 1 year of after-sales service and make regular visits to ensure the continued stability of the product.
