carry on to boost, to guarantee products excellent in line with market and consumer standard specifications. Our enterprise has a quality assurance system are actually established for China 99.9% Carbon Monoxid Gas, Purity 99.9% Gas C2h6 Ethane, C2h6o2, Ethane C2h6 Ethaene Gas,Pure N Butane. We are keeping durable business relationships with more than 200 wholesalers in the USA, the UK, Germany and Canada. If you are interested in any of our products, please feel free to contact us. The product will supply to all over the world, such as Europe, America, Australia,Slovak Republic, Romania,USA, Kazakhstan.Our company considers that selling is not only to gain profit but also popularize the culture of our company to the world. So we are working hard to give you the wholehearted service and willing to give you the most competitive price in the market