Design Pressure : 2.3MPa Volume capacity : 4.9~50 Ton Diameter : 1500~2250 mm Height : 4490~14761mm Material : A51670[internal] / SS400[outer] - Standard/Certificate : ASME U¡±&¡±S¡±STAMP, KS Q ISO 9001:2009/ ISO 9001:2008, Registered a patent of Cryogenic storage Tanks. Hold the right to the patent. Registered a patent of practical new designs for vacuum valve devices of vacuum tanks.