Air Leak Test Machine manufacturer / supplier in China, offering External Hydrostatic Pressure Testing Equipment for CNG (Compressed Natural Gas) Steel Cylinders, External Hydrostatic Pressure Testing Equipment for Seamless Gas Cylinders (oxygen cylinders + other gas cylinders) and Welded Gas Cylinders, Ut-0051 Helium Mass Spectrometer Leak Detector for New Energy Battery Industry Semiconductors Vacuum Leak Detection Test Machine and so on.