Wangxia Spring is a High Quality Spring Manufacturer Since 2005 With Factory Directly Price.
Product details of the heavy duty extension springs
Product Specification
Material: High-carbon spring steel
Packing: Cartons, wooden cases, or pallets
Surface Finishing: Oiled, E-coating, Zinc plated, Powder coating
Cycle Life: Designed for long service life under repeated extension
Keywords: dual extension spring, double extension spring, 180 lb extension spring
Product Information
The production of Wangxia Spring heavy duty extension springs is based on the lean production principle. The strict quality control effectively eliminate defects, ensuring the consistent quality of the product. Quality always comes first when it comes to heavy duty extension springs.
Product Introduction
Double loop garage door extension springs are made from high-carbon steel for durability and reliable performance. The double loop ends add extra security and stability, making them a popular choice for residential garage doors. With customizable sizes and specifications, they are ideal for long-lasting use and replacement needs.
● High strength and durability
● Secure double loop ends
● Easy replacement and installation
● Suitable for residential garage doors
Latest News
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Product Advantages
Product Detail
If for any reason you are not satisfied with our springs, we provide full after-sales support. Each double loop extension spring is tested for strength, durability, and cycle life to ensure safe and reliable performance. Custom sizes and surface treatments are available to meet different garage door requirements.
◎ Material: 82B high-carbon steel, ASTM A229 compliant
◎ End Type: Double loop ends for secure installation
◎ Wire Diameter: Standard range 0.192”–0.375”, fully customizable
◎ Surface Treatment: Electrophoretic coating (E-coating) for rust protection
◎ Applications: Residential garage doors, light commercial doors
◎ Packaging: Wooden cases, cartons, or customized packing
Application Scenario
Factory Advantages
20+ Years of Experience
Over two decades of expertise in spring manufacturing, trusted by global customers.Advanced Production Equipment
Equipped with multiple conventional and large-scale spring coiling machines, ensuring high precision and efficiency.Customizable Wire & Sizes
Wire diameters and lengths can be fully customized to meet different garage door requirements.Surface Treatment Expertise
Professional E-coating line for excellent corrosion resistance, along with oil-tempered and galvanized options.Strict Quality Control
Each spring is tested for torque, load, and life cycles (up to 70,000–80,000) before delivery.Fast Delivery Capacity
With 11 production lines, we can ship 1–2 containers within 7–10 days.
Global Service
Factory-direct supply with OEM/ODM support, exporting to North America, Europe, and other regions.
Latest News
Certificates & Qualifications
At Tianjin Wangxia Spring Co., Ltd., quality always comes first. Our production system is certified under ISO 9001:2015 Quality Management Standards, supported by a valid business license and internationally recognized testing reports. All our garage door springs comply with ASTM A229 standards and are regularly verified by third-party authorities.
These certificates are not just honors – they are a guarantee of our commitment: every spring is safe, reliable, and trustworthy.
R+T Asia 2025 · Shanghai
FAQ
The target market of our brand has been continuously developed over the years. For more information, please reach our team, we are more than happy to help.
Company Advantage
• Our company has strong technical strength. We have many practical business experts, experienced technical experts and senior management experts. It provide technical support for our product development and innovation.
• Wangxia Spring treats customers with sincerity and dedication and strives to provide them with excellent services.
• Our company's products gain the trust and favor from domestic consumers. In addition, we also export them overseas, obtaining praises from a large number of overseas customers.
• Wangxia Spring is located in a position where multi traffic lines pass through. It is conducive to outward transportation and the timely supply of Garage Door Springs,Roller Shutter Door Spring,Compression Spring,Extension Spring,Torsion Spring.
We sincerely welcome people from all walks of life to come to make cooperation, common development and a better future.