... -saving , environmental protection industry. Our product list for export as followings: 1) Type II CNG CYLINDER FOR VEHICLE (ISO11439, BV approved)OD325mm: 40L ,55 ... , 75L, 80L,145LOD406mm: 80L 90L, 100L.,120,145L2) Type I CNG CYLINDER FOR VEHICLE(ISO11439, BV approved) OD232mm:20,25.2,28,35 ... 40,60,80LOD356mm: 57, 75, 77,113,110,113, 140L CNG cylinder for car