Dongrun, named by Shandong province science and technology commission, belongs to "high-tech enterprises", " Contract-credit and promise keeping enterprises","ISO9001:2008 quality management system authentication enterprise", " metrological management advanced enterprises of Shandong province ", "Metrological guarantee confirmation qualified enterprise". A Powerful technology team has been established in our company. The high-level engineering staffs account for more than 60% of the total number, while employees of college degree or above are more than three-quarters. In 2003, we invested to build a new plant which is more than 10000 square meters in Shengquan Industrial Park, Laishan Economic Development Zone. We have two production lines of the environment analysis instrument and the automation instrument, the environment analysis professional laboratory and instrument professional test chamber. We have established a professional software design center and water environment analysis monitoring R & D Center to solve the hard environment monitoring problem and develop the worldâ€™s advanced monitoring instruments. Some technology fills the domestic gap.