Performance & Quality Compliance
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These Clients are Using Our Industrial Hardwares
Choose hardware solutions trusted by well-known brands to provide reliable performance for your equipment.
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
One-Stop Custom Workflow
1
Demand analysis
Submit your demand form and we will match a dedicated engineer within 24 hours.
2
Solution Design
Free 3D model and detailed report. (material, specifications and other necessary details)
3
Sample Confirmation
We provide you with free hardware samples. (standard products)
4
Mass Production
Efficient production and timely communication with you on the latest progress.
5
Global Delivery
We work with reliable logistics partners to ensure that orders arrive safely at your warehouse.
Get Free Quote Now
Covering 12 Industries with a Full Range of Tailored Solutions for Every Need
Aviation, Shipbuilding & Railway Equipment
5G Technology
3C & Semiconductor Equipment
New Energy & Environmental Equipment
Test Chambers & Industrial Ovens
Food & Pharma Equipment
Shielding & Soundproofing Equipment
Storage Equipment
Battery Production & Testing Equipment
Biomedical Equipment
Cold Storage & Cold Chain
General Equipment
Why Us? Key Unique Advantages That Set Us Apart
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Patents
- 30+ color options to match your equipment design
- 700+ functional configurations developed to meet diverse needs
- In niche industries like mechanical shafts, tolerances can be as tight as 0.0005 mm to meet client demands.
- 5-stage polishing process for a mirror-like finish
- 10+ different surface treatment techniques
- Salt spray resistance standard of 10,000+ hours
- 15 inspection stages, 100% quality assurance
- We only keep the best 80% from each batch and scrap the rest, guaranteeing that only top-tier products reach our customers.
Advanced Equipment for High-Quality, Precise Manufacturing
We have invested in over 180 advanced production machines to ensure that our structural designs are flawlessly realized. We take pride in our precision, with an error margin as low as 0.0005mm, and are continually improving our manufacturing capabilities.
In addition, we are equipped with specialized testing equipment, and our quality control team, with over 15 years of experience, rigorously tests our products through 15 different testing processes, ensuring 100% performance and quality standards are met.
See the Machines Behind Our Precision Manufacturing
Cutting Machine
The cutting machine precisely and efficiently cuts raw materials, ensuring clean edges and accurate dimensions for each hardware, preparing them perfectly for the next stage of production.
CNC Machine
Our use ultra-high precision CNC machines for machining complex parts, ensuring hardware components meet exact customer specifications with exceptional accuracy.
Die-Cast Machine
We use die-casting machines to produce complex shapes with high precision and smooth surfaces, supporting mass production of durable and intricate industrial hardware components.
Drilling MC
Advanced drilling machines ensure precise hole placement and depth, allowing our hardware components to fit and assemble accurately with customer parts, enhancing overall functionality.
Bench Tapping MC
We use bench tapping machines to create fine threads on components, ensuring secure and reliable bolt and screw connections, perfect for industrial applications requiring higher strength.
Burnish Machine
Using burnish machines, we polish components to a high gloss, improving surface quality while ensuring the products are visually appealing and resistant to wear and corrosion.
Grinding Machine
Our grinding machines refine metal surfaces, achieving smooth, uniform finishes and precise tolerances, ensuring your components are high-quality and defect-free.
Milling Machine
We use milling machines to shape and cut materials precisely, allowing for custom contours, holes, and edges, which is crucial for producing components with high mechanical performance.
Our Rigorous Testing Process
We take quality control seriously at every stage of production. Follow us to learn how every stage of our in-house manufacturing ensures 100% quality compliance.
Raw Materials Inspection
Our dedicated quality control team conducts rigorous incoming material inspections, using random sampling to assess product conformity. Only raw materials that meet our strict standards and ensure consistency are approved for production.
In-process Testing
We conduct real-time inspections throughoutproduction, utilizing advanced monitoring and testingequipment to detect and correct any potentialdeviations, ensuring each component meets precisespecifications before advancing to the next stage.
Finished Product Testing
We perform 15 essential tests on all finished products, including:
High Temperature Test
Torque Test
Color Difference Test
Impact Test
Imaging Test
Highlights from Our Exhibition Participation
Showcasing our latest innovations, connecting with industry leaders, and expanding our reach at major trade shows.
Certificates & Patents
Choose KUNLONG – Proven Quality You Can Trust
Our dedication to quality has earned us the trust of customers from all walks of life, and we play a vital structural connection role in a variety of key equipment.
We’ve provided reliable hardware structural parts for these brands.
“We have cooperated with Kunlong for many years, and their quality and performance are trustworthy. Most importantly, they can help us realize complex structural requirements.”
“Kunlong’s products always exceed our expectations. The quality is reliable, the precision is unparalleled, and they match our equipment perfectly. We have chosen their hardware in multiple projects!”
