CNG bottle, seamless steel gas cylinders (oxygen cylinders, nitrogen bottles) is made of seamless steel as raw materials for automotive, chemical, energy, gas and other industries. Product beautiful, delicate, durable environmental protection. Our company uses quality raw materials, and professional production technology and years of operating experience. With customers to establish a good business relationship.The desgin and manufacture of he cylinders accordingto the ISO11439-2000 or GB24160.there are many advantages with big capaciy,light weight and good performance to resistance pressure cylce,widely usedin CNG vehicle production and refit to various Buses,trucks and cars,etc.The products have ISO11439 certification on Testing & Inspecion by BV in France,the performance adta fully comply with the requirements of ISO 11439 or GB24160.