we can supply Compression gas springs Here are brief introduction of our company: Leading Manufacturer of gas springs and springs based in China, supply cabinet gas spring, bed support gas spring, lockabe gas spring ,Car supporting gas springs ,disc spring ,die spring,coil springs,etc. Custom make new gas springs according to your samples or drawings wihin 7 days before order.Sample is free. 1:Cylinder diameter: 15mm or 19mm or 22mm or 26mm 2:Rod diameter:6mm or 10mm or 12mm or 14mm 3:F1 range from 30N to 1200N 4:Stroke length range from 20mm to 400mm