1993: "tgh-y Ⅰ smoke monitoring recorder" has been developed, which has been listed as "trial product of total air pollutant emission measuring instrument" by the State Environmental Protection Administration;
1993: passed the high-tech enterprise certification;
1995: the first smoke monitoring recorder in China was successfully developed;
1996: "tgh-YI smoke monitoring recorder" has passed the debugging and appraisal of new products and obtained the license to manufacture measuring instruments;
1998: won the "second prize of scientific and technological progress in Shanxi province";
200 1: Participate in the compilation of national emission standards for air pollutants in thermal power plants;
200 1: passed the certification of ISO900 1 international quality management system;
In 2002, the first batch of flue gas CEMS products passed the national environmental protection product certification;
In 2003, it was awarded as "Key Enterprise of Environmental Protection Industry in China";
2003: The first batch obtained the national environmental protection facility operation qualification;
In 2004, the photoelectric continuous monitoring system for flue gas emission was successfully developed, and the technical level reached the international advanced level through the appraisal of scientific and technological achievements.
In 2004, the "Taiyuan Pollution Source Online Automatic Monitoring Network System" was built, and it was rated as "National Key Environmental Protection Practical Technology Demonstration Project";
In 2005, "photoelectric continuous monitoring system for flue gas emission" was included in the "national high-performance environmental protection online monitoring instrument industrialization demonstration project"; In the same year, it was rated as "Shanxi Famous Brand Product"; The registered trademark was rated as "Shanxi Famous Trademark";
In 2005, the technology center was awarded the "Municipal Enterprise Technology Center";
2006: Shanxi Environmental Protection Science and Technology Park was completed and the company moved to a new location;
In 2006, he won the second prize of the National Environmental Protection Science and Technology Award and the second prize of Shanxi Science and Technology Progress Award.
In 2006, it was rated as "National AAA-level enterprise pilot unit of standardized good behavior" and "National Youth Science and Technology Innovation Demonstration Base";
In 2007, it was rated as "National AAA Standardized Good Behavior Enterprise";
2007: passed ISO 1400 1 environmental management system certification;
In 2007, he won the third prize of the National Environmental Protection Science and Technology Award and the second prize of Shanxi Science and Technology Progress Award.
In 2008, he undertook the national 863 plan project "Development and application demonstration of emergency technology for major environmental pollution incidents in typical coal chemical industry clusters";
2008: Lv Zhong Environmental Protection Technology Co., Ltd. was established and listed in Shanxi Province and Taiyuan City.
In 2008, the "COD and NH3-N water quality online monitor" was successfully developed, and the technical level reached the international advanced level through the appraisal of scientific and technological achievements.
In 2009, the "Laser On-line Gas Analyzer" was successfully developed and passed the appraisal of scientific and technological achievements, and its technical level reached the international advanced level.
In 2009, it was rated as "national innovative pilot enterprise" and was identified as "national youth employment and entrepreneurship training base" in the same year;
In 2009: passed OHSMS 1800 1 occupational health and safety management system certification;
20 10: Approved the establishment of "Shanxi Environmental Monitoring Engineering Technology Research Center";
20 10: the joint-stock company is recognized by high-tech enterprises and software enterprises;
20 10: Shanxi Lv Zhong environmental protection group co., ltd was established.