CNG Cylinder
1)Standard: ISO11439: 2000, DOT, BS, JIS, DIN, TUV
2)Material: 34CrMo4, 30CrMo, 37Mn, 35CrMo, and so on.
3) OD: 229mm/232mm/267mm/273mm/279mm/306mm/325mm/356mm/406mm
4)Water capacity: 40L, 45L, 50L, 60L, 70L, 80L, 90L, 100L, 110L, 120L etc ...

DOT 3AA Oxygen Cylinder
1)Type: DOT 3AA Oxygen cylinders.
2)Standard: DOT 3AA
3)Material: 30CrMo, 34Mn2V etc.
4)O.D.: 229mm/235mm/267mm/279mm
5)Water capacity: 40L, 43.3L, 48.8L, 50L, 68L, 70L, 80L etc ...

ISO9809 Gas Cylinder
1)Type: Oxygen Cylinder, Nitrogen Cylinder etc.
2)Standard: ISO9809, BS, JIS, DIN, TUV
3)Material: 34CrMo4, 30CrMo, 37Mn, 35CrMo, and so on.
4)O.D.: 229mm/232mm/267mm/279mm/306mm/325mm/356mm/406mm
5)Water capacity: 40L, 45L, 50L, 60L, 70L, 80L, 90L, 100L, 110L, 120L etc ...

EN1964 Gas Cylinder
1)Standard: EN1964, BS, JIS, DIN, TUV
2)Material: 34CrMo4, 30CrMo, 37Mn, 35CrMo, and so on.
3)O.D.: 229mm/232mm/267mm/273mm/279mm/306mm/325mm/356mm/406mm
4)Water capacity: 40L, 45L, 50L, 60L, 70L, 80L, 90L, 100L, 110L, 120L etc ...