Your Suitable Coil Spring Supplier in China
As a coil spring manufacturer capable of in-depth communication with customers, Tuohai has always been manufacturing and customizing various coil springs for global customers. Our technical engineers have over 25 years of experience in coil spring design, production, and testing, and are able to utilize the most advanced design and production technology to provide you with the coil springs you need.
Coil Springs By Type
Tuohai can provide a variety of different type of coil springs, including compression springs, tension springs, torsion springs, shake balls, drawbar springs, and more.
We have everything you need.
Shortens in length when under pressure, while providing a counteracting thrust

Used for applications that withstand tension, the spring elongates when subjected to force


Composed of one compression spring and two draw rods, it features overload protection.
Features of Coil Springs in Tuohai

Quickly addressing your questions to ensure all your requirements are fully met.

Offering free coil spring samples, allowing you to understand our quality directly.

Tuohai has outstanding engineering and technical professionals, making us a top-tier coil spring supplier.

Tuohai has sufficient experience to ensure your order is completed on schedule and can offer expedited services.
Advanced Technology and Equipment
Tuohai has significantly improved production efficiency and shortened production cycles by continuously enhancing the production technology and processes of coil springs, as well as upgrading production equipment. This has also reduced the rate of product defects, significantly lowering production costs. As a result, it can help our clients boost their product’s market competitiveness.

Professional Design
If you are looking for solutions concerning coil springs, Tuohai has a wealth of professional knowledge in the design of coil springs. It can provide comprehensive support for the design and application needs of your product, designing various large-scale or special custom coil springs for you.
Size and Material
Whether it’s for precision applications or the need for larger and heavier load-bearing coil springs for large equipment, Tuohai can design and manufacture them for you. We excel in manufacturing coil springs from various materials, including carbon steel, alloy steel, music wire, stainless steel, and copper-based alloys. We can also assist you in selecting the best material for your specific application.

Why Choose Tuohai

Tuohai has experienced technical engineers, boasting excellent design and production capabilities along with the highest level of service. With more than 50 fully automatic coil spring production devices, including straightening machines, wire drawing machines, CNC wire forming equipment, and testing equipment, it stands as a world-class coil spring manufacturer. Our clients are spread across the globe, and through partnerships with numerous logistics companies, we are able to deliver our products to every corner of the world.

Tuohai can provide a range of surface treatments for coil springs, including electroplating, electrophoresis, powder coating, anodizing, and passivation. These treatments can adapt to various operating environments, ensuring that no matter your requirements, our coil springs can meet your diverse needs.

Tuohai employs the most advanced technology to ensure the performance of our coil springs. Each spring undergoes calibration and inspection, whether it’s a small precision coil spring or a large cold-rolled or hot-rolled coil spring. Our advanced manufacturing processes guarantee that their strength meets the demands of the application.
How to Purchase Coil Springs from Tuohai

First, you need to consult with us and confirm the type of coil spring you require, including the material, surface treatment, size, shape, and various mechanical properties. If you need a unique coil spring solution designed for your application, our technical team will also help you solve all the problems.

After confirming the type of coil spring and all other requirements, Tuohai will provide you with a sample. This allows you to directly verify if our product quality and other aspects meet your needs and to suggest any improvements.
After the sample has been confirmed, our spring production workshop will begin scheduling production. During the manufacturing process, if necessary, we will keep you informed about the progress of the coil spring production.

After the production of the coil springs is complete, we will conduct tests, including tensile testing, strength testing, salt spray testing, etc. Once they pass these tests, we proceed to packaging and shipment.
More of Coil Springs in Tuohai
- Applications
Related Product
Tuohai can provide a variety of standard coil springs including compression springs, tension springs, torsion springs, and drawbar springs. Of course, we can also customize special shapes or sizes of coil springs according to your drawings or samples. In short, you can find any style, size, or shape of coil spring you want.
Contact us and tell us the material, shape, size, and other requirements for the coil spring you need. We will provide you with free samples based on your requirements. If you are unsure which coil spring your application needs, our professional technical team can offer you the perfect solution.
Yes, you can.
If our stock coil springs meet your requirements and quantity, they will be shipped within 3 days after confirming the order.
The production time for standard orders is generally around 30 to 35 days.
For customized coil springs, we must arrange production and adjust molds to meet your requirements, so the specific delivery time will be discussed separately based on the design and quantity of the coil springs.
Transaction methods include FOB, CIF, EXW, DDU, DDP, etc.
Payment methods include T/T, Letter of Credit, Western Union, PayPal, etc.
Tuohai provides first-class after-sales service. For after-sales issues, you can contact our after-sales team at aftersale@tuohaichain.com, or directly contact our sales staff. Your questions are guaranteed to be replied to within 1 day, and the best solution will be provided within 48 hours.

































