Your Suitable Coil Spring Supplier in China
Coil spring, also known as helical spring, is a spiral type spring-shaped made of metal wire. Tuohai has multiple fully automatic CNC wire forming machines, which can provide you with production and customization services of coil springs of various sizes. Whether small or large springs, Tuohai can provide the perfect solution for your application.
As a professional metal spring manufacturer, Tuohai can provide you with various customization services for coil springs, including size, standard, surface treatment, packaging method, etc. You can find any coil spring you need in Tuohai.
For different materials or spring applications, we also supply Brass Compression Spring.







Features of Tuohai Coil Springs




Several Material Available
Tuohai provide coil springs of various materials, which can adapt to various application environments and needs, such as stainless steel springs, music wire springs, brass springs, copper coil springs, and titanium coil springs, etc., to ensure that the different needs of all customers can be met.


Various Styles Available
Tuohai has many years of experience in the production and customization of coil springs. We can provide you with a wide range of standard coil springs, including compression springs, tension springs, torsion springs, etc.
Additionally, we can customize various special-shaped coil springs according to your drawings or requirements, such as conical compression springs, hourglass springs, spherical springs, and more.
Various Surface Treatment Options Available
Tuohai can provide you with coil springs with various surface treatment methods for your choice according to different application requirements, such as electroplating, phosphating, powder coating, heat treatment and shot peening, etc., which can effectively improve the wear resistance and corrosion resistance of our coil springs, make them more recognizable and improve their safety.

Advanced Coil Spring Production Process
Tuohai has fully automated production equipment and advanced wire forming production processes, including both cold rolling and hot rolling. Whether for large machinery, vehicles, small precision instruments, or toys, tuohai can provide you with the most suitable coil spring.
Our coil springs are highly precise and meet various industry standards. For the special industries, tuohai can also demagnetize, mute, and color-mark the coil springs to ensure that they can meet the needs of all customers.
You Can Customize Various Size and Standard Coil Spring in Tuohai

Our coil springs are strictly manufactured according to industry standards of various countries, such as DIN, ISO, and SAE, with precise dimensions, low tolerance, and high accuracy.

Our technical team can also customize and produce coil springs in various non-standard sizes and shapes for you, such as shaker spring, taper spring, hourglass spring, rectangular spring, barrel spring, and triangular spring, etc., ensuring they meet the needs of diverse special applications.







