Xi'an Dingyan Technology Co., Ltd. Was founded in 2005, located in Xi'an Hi-tech Zone. It focuses on research and development, production, sales, operation maintenance service of industrial process gas analytical equipment, pollution sources online monitoring and volatile organic matters monitoring equipment. The company is a national high-tech enterprise which incorporates environmental engineering design, operation and treatment.

Xi'an Dingyan Technology Co., Ltd. Has successively achieved long-term Industry-University-Research strategic cooperation with Northwest University Institute of Analytical Science and Northwest University Institute of Chemical Technology, and established Northwest University achievements transformation base and chemical engineering master's practice base. As a deputy governing unit of China Gas Standardization Technical Committee, the company has developed comprehensive strategic cooperation with China Institute of Measurement and Testing Technology to consolidate the its strategic development technology base. During ten years, the company had been confirmed as national high-tech enterprise and certified by International Quality Management System ISO90001, undertaking a number of National Key Technology R&D Program projects, and the construction of "Shaanxi Gas Analysis Instrument Engineering Research Center", "Xi'an Gas Analysis Instrument Engineering Technology Research Center", "Xi'an Gas Optical Inspection Engineering Laboratory". The company has kept focusing on research and development of analytical equipment core technology, through continuous effort and innovation it has amassed more than 130 intellectual property rights and been involved in drawing up and establishing 11 national standards and 2 international standards. In recent years, the company has been awarded "Second Prize of Scientific and Technological Progress ", "Famous Trademark of Xi'an, Shaanxi", "Excellent Standardization Model Company", "China Association of Environmental Protection Industry AAA Enterprise", "Famous Product of Xi'an, Shaanxi" and other honors.