Sells all kinds of second-hand oxygen cylinders, carbon dioxide cylinders, argon cylinders, nitrogen cylinders, hydrogen cylinders, sulfur hexafluoride cylinders, helium cylinders, propane cylinders, acetylene cylinders, liquefied petroleum gas cylinders and other gas gas cylinders of the enterprise. Accepted spray painting and brand printing+2.5usd. weight: 48/50kg with cylinder cap+1.5usd. new valve or 10year valve to select.
