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Company History

Companies focus on product development and technological innovation, product with independent intellectual property rights, authorized patents sixteen, twice won the Science and Technology Innovation Fund, is the industry's only with dual-quality system certification unit.


June 1994 Xi'an Unionfilter Purification Equipment Ltd. was established.
January 1998, Xi'an Unionfilter purification Engineering Limited was established.
1996 and 1999, Xi'an Unionfilter company had been identified as high-tech enterprises.
1997 Xi'an Unionfilter company was awarded the star enterprise and technology innovator in Xi'an High-tech Zone, 1998 Xi'an Unionfilter Engineering Company was awarded the star enterprise and technology innovator in Xi'an High-tech Zone 
March 1998, the filter cartridge Micro thermal drying device is recognized as a national Torch Program projects and state-level new products.
In 1999, the highly efficient gas-liquid separation unit project received the International Science and Technology Innovation Fund.
June 1999, Hangzhou Unionfilter purification equipment Ltd. was established.
In October 2000, the company headquarters moved to Xi'an Hi-tech Zone.
March 2001, the company passed the ISO9001 quality management system certification.
August 2001, the company was rated as "high-tech enterprises in Xi'an ninety-five outstanding," Mr. Li Daming, general manager, was awarded the "Xi'an ninety-five Technology Venture Star."
In 2002, the company was included in the key support enterprises in Xi'an Science and Technology Commission; High-tech Zone of outstanding enterprises granting intellectual property rights.
In 2003, the company was recognized Xi'an Foreign Trade Bureau as advanced technology enterprises.
In 2003, the company passed the military standard GJB9001A-2001 military product quality system certification
September 2004, Zhuhai Co., Ltd. established a joint UF purification equipment
May 2005, UF Wuxi Xi'an Branch was established.
August 2005, zero-emission gas drying means international Science and Technology Innovation Fund.
In April 2006, the company was awarded the 2005 Xi'an Hi-tech Zone technological innovation outstanding enterprises.
In April 2007, the company dedicated CNG station dehydration device exported to Myanmar.
In April 2008, the company won the national industrial production permit.
December 2009, the company's products awarded the "Xi'an brand-name products," the title of Xi'an Brand Strategy Steering Committee.
June 2014, the company received pressure vessel China special equipment manufacturing license (one, two, three).
January 2015, the company received special equipment design permits
February 2015, the company adopted the ISO14001 environmental management system certification.
February 2015, the company passed through the occupational health and safety management system certification.
In March 2015, Wuxi Branch to obtain special equipment manufacturing license (three)