RONGHUA have been producing gas cylinder for many years , operate most-advanced production line and have high-class wrapped and inspection technology. Fully wrapped composite cylinders are our most recently developed product which are made of imported superior quality carbon fibers and high strength aluminum alloy. Compared with other steel cylinders, they have an excellent competitive performances, such as higher working pressure, more gas storage, lighter, better corrosion, better safety and long life, they are widely used in the fire fighting, petrochemical, mining, medical treatment,   and other fields.