Profile: Xiamen Shuangyuan Springs Co., Ltd. manufactures gas springs & spring hardware. Compression gas spring is light, small in size, and can have a large load. The spring can be set freely. This product is used in automotive, vehicle components, photocopier, agricultural machines, and heavy machinery industries. Our springs are widely used for safety belt systems, cable winders, clocks, and starting devices. We are an ISO 9002 certified company.