Qingdao Baigong Industrial and Trading Co., Ltd. is one of theleading enterprises specialized in developing, engineering,manufacturing and exporting gas cylinder products and industrialgases in China and our products were approved by Qingdao ForeignEconomical & Trading Commission. We have two invested companiesand 5 manufacturing plants which makes us could supply wide rangeof gas cylinders, such as seamless steel gas cylinders, aluminumalloy gas cylinders, acetylene cylinders, CNG cylinders (Type 1& Type 2 & Type 3), LPG cylinders, Liquid ChlorineCylinders and Liquid Ammonia Cylinders, etc. All the Seamless SteelGas Cylinders we supply can be produced mainly according to GB5099standard, ISO9809 standard, En1964 Standard and DOT3AA standard,the Aluminum Gas Cylinders are produced according to GB11640standard and the Acetylene Gas Cylinders are produced according toGB11638 standard. Our gas cylinders are widely applied to manyindustries such as chemical, medical, pesticide, metallurgy, paperindustry, rubber, plastic, textile, printing and dyeing, food,water purification, light industry, electricity, fire-fighting, andautomatics. - See more at:http://www.chinagascylinder.com/#sthash.7Cil9UyY.dpuf