Suspension Spring
Your Professional Suspension Spring Supplier
Zhejiang Hangjia Special Spring Co., Ltd. was founded in November 2005. Our company is located at No. 397, Ziling Road, Fuchunjiang Town, Tonglu County, Hangzhou City. The company brand is "Hangjia Spring". Our company is a professional enterprise specializing in the production and manufacture of springs used in various fields such as construction machinery, automotive suspensions, chemical industry, power, elevators, hydraulic supports, valves, etc.
Why Choose Us
Advanced Equipment
We have various types of advanced testing equipment (10-5000N electronic dual digital display tension and compression testing machines, electronic spring torsion testing machines, spring high-frequency fatigue testing machines, etc.) to ensure the precision and stability of spring quality.
Technical Team
Our technical team, having over 30 years of professional experience,provide spring solutions to several listed enterprises,aerospace,and military industries to help customers enhance their core competitiveness.
Certification
We has been certified with ISO 9001:2008, ISO 14001:2015 for environmental management,and has been recognized as a high-tech enterprise.
Quality Control
And we have special testing equipment to check the quality before shipment. We guarantee the quality suitable for customers’request and support each step of exporting.
Suspension Spring Specifications
|
Product name |
Helical Compression Spring |
|
Wire diameter |
0.1~20 mm |
|
I.D |
>=0.1mm |
|
O.D |
>=0.5mm |
|
Free Lenght |
>=0.15 |
|
Total coil |
>=3 |
|
Active coil |
>=1 |
|
Material |
SS302(AISI302)/ SS304(AISI304)/ SS316(AISI316)/SS301(AISI301) |
|
SS631/65Mn(AISI1066)/60Si2Mn(HD2600)/55CrSiA(HD1550)/ |
|
|
Music wire/C17200/C64200, Etc |
|
|
End hooks |
U shape, round shape etc. |
|
Finish |
Zinc plating, Nickel plating, Anodic oxidation,Black oxided,Electrophoresis |
|
Power coating, Gold plating, Silver plating, Tin plating, Paint,Chorme, Phosphate |
|
|
Dacromet,Oil coating, Copper plating, Sand blasting, Passivation, Polishing,Etc |
|
|
Sample |
3-5Days |
|
Delivery |
7-15Days |
|
Warranty period |
One year |
|
Payment Trems |
T/T,D/A,D/P,L/C,MoneyGram,Paypal payments. |
Key Features

-
Shock Absorption and Vibration Damping
Suspension springs act as a buffer between the wheels and the vehicle body, absorbing impacts from bumps and uneven road surfaces.
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Ride Height and Handling
Suspension springs maintain the vehicle's ride height, ensuring proper ground clearance and suspension geometry.
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Weight Distribution and Support
Suspension springs support the vehicle's weight and distribute it evenly across the wheels.
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Customization and Performance
Suspension spring rates (stiffness) can be customized to achieve a balance between ride comfort and handling responsiveness.
Types of Suspension Springs Available
Coil Springs
Coil springs are one of the most commonly used suspension springs in vehicles.
Leaf Springs
Leaf springs consist of multiple layers or leaves of spring steel bound together. They are commonly found in trucks and heavyduty vehicles due to their ability to handle heavier loads.
Torsion Springs
Torsion springs work by twisting or rotating to absorb shocks and maintain stability. They are often used in sports cars and vehicles with independent rear suspension systems.
Air Springs
Air springs, also known as airbags, use compressed air to support the weight of the vehicle.
Applications
Applications
Suspension springs in cars and trucks provide a comfortable and stable ride for daily commuting and long-distance travel.
Commercial Vehicles
Trucks, vans, and buses rely on suspension springs to handle heavy loads and ensure safety under challenging conditions.
Off-Road Vehicles
SUVs and 4x4s use suspension springs to navigate uneven terrains, offering reliable performance and increased ground clearance.
Racing and Performance Vehicles
High-performance suspension springs enhance handling and cornering capabilities in racing cars.
Our Promise
Offering design and improvement scheme freely.
Offering video and photos with details freely during production.
Helping customers to do factory inspection freely for his other Chinese suppliers.
Helping customers lacking money to apply for Alibaba finacing.
Producing completely according to the accuracy of drawings,assembly measurement to detect function and strict quality control to ensure 0 return rate.
99% orders can be ensured delivery time.
Quote can be offered within 2 days fastest
Delivery time is only 7 days fastest.
Responding to the enquiry within 2 hours.
The materials we use are optimal.
24 Hours online service.
The lowest price with the same quality and service.
Our Certifications

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