Why do 5000 clients approve Yongsheng Coil Spring?
The factories all over the country which would need coil spring, whatever the manufacturing unit, they would often choose to Yongsheng Coil Spring for a quotation. Why is everyone recognized Yongsheng coil spring it? It is because Yong Sheng coil spring can do is unlike other manufacturers, reduce costs and crude, but do the best quality excellence!

Yong Sheng focus on the coil spring R&D for 15 years, we do strict treatment measures according to the market demand spring and frequently problem, 100%-Japan import raw materials, the industry's first 5th rolling technology of raw material, a unique heat treatment technology,more stable performance, long service life of the coil spring.