Liquefied Natural Gas Tank Container（for short LNG Tank Container）,is liquefied natural gas( for short LNG) indispensable means of transportation. It has tow kinds of specification in length: 20 feet long and 40 feet long. Among it, is a horizontal type LNG cryogenic tank, the tank adopts vacuum fiber multiple wraps thermal insulation technique, to carry out thermal insulation from the tank body. The tank container includes liquid in and out system, air in and out system, auto pressure charging system, blow down replacement system, instrument control system, urgency block valve and pneumatic control system, safety system, exhausting system, fullness survey analytical sampling system.