Air springs are widely used in self-adjusting air suspensions of commercial vehicles, buses, rail vehicles, machinery and equipment, and building bases. Gas springs are also called support rods, angle adjusters, air pressure rods, dampers, etc. According to the structure and function of gas springs, gas springs include free gas springs, self-locking gas springs, traction gas springs, random stop gas springs, swivel chair gas springs, air pressure rods, dampers, etc. This product is widely used in automobiles, aviation, medical equipment, furniture, machinery manufacturing and other fields.