... -250Bar 4).Test Pressure:250-375Bar5).Material: 37Mn, 34CrMo4,30CrMoWMA219-40-15 is among the best sales of our products. This ... type of cylinder is widely used in Iran, U.A.E., Syria, Philippines, Vietname and etc.Specification:Diameter:219mmWater ... . The cylinders under GB5099 standard have been exporting to Iran, U.A.E., Egypt, Jordan, Syria, Vietnam, Philippines, Malaysia and many ...