Large-sized Normal Pressure Cryogenic Liquid Tank: (1) Effective Volume(m3): 200-5000; (2) Store Medium: LO2/ LN2 / LNG; (3) Material of inner Tnak: OCr18Ni9; Outer: Q235-B/16MnR; (4) Working Pressure(Kpa): =< 20; Outer: -0.5---0.5; (5) Vaporization Rate: Superior to national standard; PROCESS FEATURE: (6) Safty system: Vantilationg valve and emergency discharge device are provided both in inner and outer tank, which completely assures safety in case of faults. (7) Presure regulation system: (8) Pipline system (9) Analysis Monitor system (10) Nitrogen sealing system