medical hand trolley material:steel for 10L-40L for seamless steel cylinder and aluminum cylinder color:white,black and so on oxygen cylinder trolley,steel trolley,medical trolley for 10L-40L seamless steel cylinder,handle trolleycolor:white,black and so ondelivery time:30~45dayspayment way:30% in advancepackage:cartons Oxygen cylinder trolley for 10L-40L gas cylinder