Shanghai  QiYuan Air Separation Technology Development Co., LTD. is a professional high-tech enterprise which integrates r&d, design, production and sales of air separation equipment based on low temperature technology. Company was founded in 2001, in recent years, the company in the production of traditional air separation equipment on the basis of independent research and development of the industry success of cutting-edge products, rare gas (krypton, xenon, neon, helium) extraction device, the first in the domestic industry realized the full extraction technology of seven kinds of gas in the air, break the monopoly of the foreign enterprises at a stroke, for domestic gas to achieve the high quality and high value-added industries.