The rings are tightly circumferential to make it stretchable. It is a representative of a typical spring. All shapes can be shaped according to the design. This extension spring is made by advanced automation machine with high temperature to strengthen and finalize the shape, which has high accuracy and good stability. And it has been proved by experiments that it can stand more than 100,000 times of fatigue testing.Typical applications for compression springs include: Electronic products Children toys Baby carriage Bicycle Kitchen appliances Cameras Printers, Office equipment
