... 5.working pressure:25-35mpa CNG pipe: resist high press from outside,no leak on tube, tested by 1500kg water press;smooth ... oil system, fuel system,etc2. Raw materials: low carbon steel tube, copper tube, seamless steel pipe3. Speciation:φ6.00mm × 1±0.1mm ... : Good curvature machining property; Highest blasting press Thickness is uniform with PVC Good binding force 7. Packing: export standed, box, ...