Nanjing Chi Shun Technology Development Co., Ltd was founded in 2005, which is a comprehensive technical manufacturing company comprised with researching, producing, selling and serving. As one of the important Hi-tech Enterprises of Country Torch Plan, CHISHUN possessed a group of excellent technical personnel and hold a number of patents, also cooperated with local professors from NJU, NUST and HHU. Since its establishment, we focused on the research and development of sample pretreatment and soil detection and analysis technology.