We are specialized in manufacturing all kinds of compression spring, extension spring, torsion spring, valve spring, high-voltage switch springs, spiral spring, locomotive spring, agriculture machinery spring as well as various kinds of wire forms and stamping components. The wire diameter of coil spring material ranges from 0. 2 to 8 5 mm and the material covers common grade, Stainless Steel, Tin Bronze and so on. The company has paid great attention to the product quality and the service. So far, it has built solid relationship with many big companies. We welcome friends and partners all over the world come and visit. Forever, we will be dedicated to provide old and new customers the highest quality products at the least possible cost while offering the best service.