... stamp Product Model: DG52NGTST Product Name: 52M3 Natural Gas Transportation Semi-trailer Main Technical Parameter Overall Dimensions ... -layer tank structure, tank shell length: 12, 850mm, tank shell diameter: 2, 500mm; inner tank length: 12, 533mm, inner tank diameter: ... 2, 335mm; effective volume: 52m3; medium name: liquefied natural gas; charging ...