... spring,we can produce as your requirement.2,Our products are both excellent in quality and reasonable in price.3,120,000 ... .Features: 1, Gas: Nitrogen filled inside. 2, Color : black,silver,or as clients request. 3,Quality: We can provide fatigue test report ... days after deposit.Shipment: We can accept your appionted forwarder. high quality gas spring for machinery,tool box,shopping cart