Cylinder is produced by the advanced equipment under the good process, it is mainly used to fill            permanent gas and high pressure liquid gas (which can be used to fill the standard gas, pure gas            and special gas circularly); it is safe and reliable, the gas purity is steady. It is widely used in the            industry, national defense, medical treatment and scientific research etc.
           All the products can meet the different requests on capacity of standard DOT, TUV, ISO, GB, Silica            etc.