34CrMo4 steel is adopted for the cylinder body. Steel plate deep-drawing or tube spinning is applied for production process with working pressure at 20MPa.

The products have passed GB17258, ISO11439, ECE R110, TP TC 032/2013, SONCAP and other related certificates and the volume covers 26L-200L, which can be applied to CNG commercial vehicles, passenger cars and so on.