Hangzhou Scala Filtration Technology Co., Ltd. was founded on 2013, specializing in compressed air treatment solution and  on-site liquid nitrogen generators.  In the meantime, Scala Filtration is the exclusive Chinese agent of Noblegen Products from UK WIRAC Automation Ltd .

Scala Filtration offers a wide range of high quality standard compressed air dryers and filters. Including heatless desiccant dryer,externally heated adsorption dryer,blow purge desiccant dryer,heat of compression dryer,refrigerated dryers and high pressure adsorption dryers. 

Scala Filtration also provides customers a full range of high performance zero purge desiccant dryers and customized solutions. According to the latest ISO8573 compressed air quality standard, the standard Scala desiccant dryer can reach the pressure dew point of Class 2  of -40ºC ，even Class 1 of -40ºC.  The refrigerated dryer can meet the most requirements of 3-7ºC pressure dew point.

Scala Filtration is the exclusive Chinese agent of UK WIRAC Automation Ltd. Under the brand of Noblegen Product and Noblegen Cryogenics,WIRAC Automation is a worldwide famous manufacturer of liquid nitrogen generators and nitrogen gas generators.

Scala Filtration also develped a kind of mixed-refrigerant cryo-cooler for liquid nitrogen production at cost efficient way.  Liquid nitrogen flow capacity ranging from 20 liters/day up to 1000 liters/day.

The traditional research laboratories rely on bottled liquid nitrogen. The rising cost, safety problems in transportation and storage of liquid nitrogen have long puzzle users. The use of on-site liquid nitrogen generator can end the traditional supply of liquid nitrogen. Its reliability and economy have been widely recognized on the global market.

Our customers include Hamilton Hospital of Cambridge University, Glaxo SmithKline, Agilent, Coca Cola, International Atomic Energy Agency, International Academy of tropical agriculture, etc.

Within a few years, a number of well-known scientific research institutions and universities have been using our products. Including: Chinese Academy of Medical Sciences, Chinese Academy of Sciences, Chinese Academy of Agricultural Sciences, Yunnan Academy of Agricultural Sciences, Xinjiang Tarim University, Guizhou University, Huaibei Normal University, Fujian Normal University, Guangxi Normal University etc.