Xi’an UnionFilter, one of the high-tech enterprises specialized in the development, production and marketing of fluid separation and purification facilities in China, is located in the National Xian High-tech Zone. Founded in Juan, 1994, The Purification Facilities Co. Ltd., Xian Unionfilter, attracted the attention of its business partners with its advanced technology, high speed，eager technical innovation and clear idea of market orientation. Based on it advanced technology, high-tech products and promising market, especially, taking the opportunity of manufacturing the compartment Low-heat Dryers and Filters, one of the National Torch Projects 1998, The Purification Engineering Co. Ltd., Xian Unionfilter, was set up with the joint efforts of Capitech Venture Capital Co. Ltd. and some businessmen in Hong Kong in January, 1998.And Hang Zhou Unionfilter was set up in 1999.　
At present, Xian Unionfilter is one of the leading companies at the development and production of fluid separation and purification facilities and one of the enterprises of most advanced technology, greatest scale marketing and strongest group operation in the field with its biggest variety of products of the highest technique. It is specially experienced in the design and manufacture of the products for middle, high pressure and process air and huge scale non-standard products.