Chongqing Tonghui Gas Co ., Ltd was establishedin 2007 . The headquarters is located in Tongnan District, Chongqing and has 15 subsidiaries. Its business covers the R&D ,production and sale of food/industrial grade liquid carbon dioxide , food grade carbon dioxide filing vial, dry ice , high-purity carbon dioxide ,food grade and electronic nitrogen oxide , electronic grade special gases and relevant products. The annual output of liquid carbon dioxide is 1 , 100 ,000 tons, electronic grade nitrogen oxide (N20 ) is up to 30 ,000 tons,high - purity and electronic grade germanium reaches 2 tons,The output of high-purity gas, electronic grade gas, standard gas, mixed gas and other special gases is over 30 ,000 cylinders and 400 ,000 gas cylinders are filed each year. We provide food grade carbon dioxide for the market of carbonated beverages and provides high-purity electronic gases for the market of semi conductor, LED , LCD and PV. We also have 60 special transport tankers for low temperature liquid carbon dioxide and special vehicles for dangerous chemicals.
Our product have been exported to many countries and regions, including Southeast Asia , Europe , America and MiddleEast. Our production capacity is leading in the gas indiustry in West China with ranking top in the country.