Nitin Cylinders Ltd. Manufactures Compressed Natural Gas - CNG Cylinders. Nitin Cylinders Ltd. Is an ISO 9001: 2000 certified company. The Compressed Natural Gas - CNG Cylinders contains fuel that is clean and economical and has brought about a healthy reduction in pollution. The Compressed Natural Gas - CNG Cylinders are used for almost all kinds of vehicles such as three wheelers, cars, buses and various delivery vehicles. They are designed for optimum mechanical properties, keeping in mind the light weight preference. The CNG cylinders undergo stringent cyclic testing to assess the fatigue strength, usage life as well as the safety and reliability of the cylinders, which are used under extreme climate conditions. The Compressed Natural Gas - CNG Cylinders are supplied with or without valve, and with neck threads as per the specifications desired by the customer. All the cylinders are epoxy coated on the exterior surface for protection against the environment.