A compression spring is a variant of the first spring, cylindrical, tapered to a shrink, convex waist shape, variety and various tail design, also can be formed.
A compression spring is a spring in all kinds of the most widely used products, wide application range and electronics, motor, computer, information, automobile and motorcycle, bicycle, hardware tools, gifts, toys, and even the national defense industry, because of its design and manufacture control principle is easy to grasp, is also the most simple
Commonly used materials are stainless steel wire, steel wire, piano wire etc.
Surface treatment method of environmental protection (ROHS, halogen) plating, chrome plating, copper plating, electroplating