... gas cylinders and its related products,such as CNG cylinders (Type 1 & Type 2),CNG Kits, seamless steel gas cylinders,high purity ... foreign markets are IRAN,Thailand,Middle east,Southeast Asia countries, European countries & some America countries. Thanks to the best quality and ... FOR VEHICLE are: OD325mm: 50,55,60,65,70,80,90,100,120LOD340mm: 50,55,60,65,70,80,90LOD356mm: 57 ...