The aluminum cylinder is mainly used for the hydrogen storage tank of the hydrogen vehicle. The product diameter is about 200-400 and the length is about 1500-3500. Our company provides the CNC necking spinning machine of hydrogen cylinder for CIMC Nantong, including spinning, heating, loading and unloading, etc., which has the characteristics of high efficiency, stable and accurate shape, etc. At the same time, we also have steel cylinder, stainless steel cylinder and other necking spinning machines.