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By certification 
Seamless steel cylinder’s has reliable quality ,clear stamping, consistent height and elegant appearance. Our suppliers can produce large, medium, small sizes high pressure seamless cylinders which range from 8-35Mpa in working pressure, 0.4-120L in water liter.
1) 37Mn, 30CrMo, 34CrMo
2) Outside diameter: 108-356mm
3) Water capacity: 5--100L
4)Standard:GB5099,ISO9809-1,DOT-3AA,EN1964-1,Q/JB THB008
We also offer the valve aplly in the different steel cylinders
1) 37Mn, 30CrMo, 34CrMo
2) Outside diameter: 108-356mm
3) Water capacity: 5--100L
4)Standard:GB5099,ISO9809-1,DOT-3AA,EN1964-1,Q/JB THB008
We also offer the valve aplly in the different steel cylinders
