In the 1960s
the national ultra-pure
In the 1980s
the first domestic gas analysis research
In the 1990s
catalytic deoxygenation technology achieved significant development
In 2000
provided gas purification solutions and equipment for domestic enterprises
In 2005
the efficient deoxidizer for polyolefin won the second prize of National Technical Invention
In 2011
passed the ISO quality management system certification
In 2015
was selected into the Liaoning Province Energy Conservation and Emission Reduction Technology Catalo
In 2016
became a national high-tech enterprise
In 2017
successfully developed a 9N gas purifier with a single impurity of 0.1ppb The ultra-pure gas purifi
In 2018
successfully developed ultra-pure ammonia device and ultra-pure hydrogen chloride device Won the se
In 2019
through the national intellectual property management system
In 2020
it has more than 40 invention and utility model patents .The future-establish credibility with credi