With our excellent management, strong technical capability and strict quality control system, we continue to provide our clients with reliable quality, reasonable prices and excellent services. We aim at becoming one of your most reliable partners and earning your satisfaction for 2.5 Methane Calibration Gas, Ethane C2h6 Gas, C2h4o Ethylene Oxide, 1 3 Butadiene,C2h6 Gas Ethane. Welcome to contact us if you are interested in our product, we will give you a surprice for Qulity and Price. The product will supply to all over the world, such as Europe, America, Australia,Algeria, Moscow,Monaco, Armenia.Our company has built stable business relationships with many well-known domestic companies as well as oversea customers. With the goal of providing high quality products to customers at low cots, we are committed to improving its capacities in research, development, manufacturing and management. We have honored to receive recognition from our customers. Till now we have passed ISO9001 in 2005 and ISO/TS16949 in 2008. Enterprises of "quality of survival, the credibility of development" for the purpose, sincerely welcome domestic and foreign businessmen to visit to discuss cooperation.