Compressed Natural Gas (CNG) as a fuel is clean and economical and has brought about a healthy reduction in pollution. CNG as an alternate fuel is becoming exceedingly popular worldwide, not only in the developed countries, but also in the third world countries where pollution control is sought in the most viable and economic way. Considering the safety of human life, these cylinders need dedicated attention in design and manufacturing in compliance with various national and international standards. Fulfilling every requirement, WNCL provides a wide range of high quality seamless steel CNG cylinders 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 WNCL’s 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. WNCL’s cylinders can be supplied with or without valve, and with neck threads as per the specifications desired by the customer. All cylinders are epoxy coated on the exterior surface for protection against the environment.