... Our company is a professional enterprise in cylinder field for more than 15 years.We specializes in manufacturing and ... all the customers around the world. The main sizes for NZS5454 CNG Cylinder are: OD232mm: 20,22,24 ... ,27.5,28,30,35,40,50LOD273mm: 40,46,48,50,55 ... Standard) Please do not hesitate to contact us for more details.Hope we can build mutual benefit cooperation ...