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(Archived) Praxair China Wins Contract for Reactor Cooling

SHANGHAI, China, July 7, 2008 — Praxair China, a subsidiary of Praxair, Inc. (NYSE: PX), has signed a contract to supply liquid nitrogen and a state-of-the-art nitrogen cooling system (NCOOL™) to the Jiangsu Defeng Pharmaceutical & Chemical Co., Ltd. (Defeng).

Defeng produces active pharmaceutical ingredients and will introduce a new product which requires rapid cooling to below –30C in a large volume reactor. After a thorough market survey, Defeng selected Praxair China as its product and technology supplier. The decision was based on the quality of the liquid nitrogen, reliability and the new technology offered by Praxair.

“This new application of the NCOOL™ technology opens up another segment of the fast growing cryogenic refrigeration market in the pharmaceutical industry,” said David Chow, president of Praxair China.

The NCOOL™ indirect cooling system features the highly efficient Praxair cryogenic heat exchanger. Because this cooling system uses the heat exchange from nitrogen rather than mechanical refrigeration, it has minimal moving parts and does not rely on halogenated coolants (CFCs or other ozone-depleting substances). The NCOOL™ heat exchanger is used for precision cooling of production freeze-dryers and chemical reactors.

About Praxair China
Praxair (China) Investment Co., Ltd. is a leading industrial gas provider in China. It is headquartered in Shanghai, has 15 wholly owned companies, 10 joint ventures and over 1200 employees, and 2007 sales above $300 million. More information of Praxair China is available on the Internet at

About Praxair
Praxair, Inc. is the largest industrial gases company in North and South America, and one of the largest worldwide, with 2007 sales of $9.4 billion. The company produces, sells and distributes atmospheric, process and specialty gases, and high-performance surface coatings. Praxair products, services and technologies bring productivity and environmental benefits to a wide variety of industries, including aerospace, chemicals, biotechnology and pharmaceuticals, food and beverage, electronics, energy, healthcare, manufacturing, metals and others. More information on Praxair is available on the Internet at


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