In the beginning of 1980s,Sichuan Air separation company introduced the technology of the design and production of high-vacuum multilayer insulated liquid cylinder of cryogenic technology from JJapanese DaTong Co. Ltd. This is the theoretical foundation of the production and design of our product. Our company is engage in specially design and produce the multiplayer insulated cryogenic products, such as liquid cylinder,pipeline,family respiration,biological vessel and LNG cylinder. In 1986, the multiplayer insulated cryogenic liquid cylinder was awarded the title of “High Quality Product” by the Sichuan province and the Ministry of Machinery Building Industry. The performance of product is advanced, which has gorgeous appearance, it is the best option of masses of customer.