Shijiazhuang Lerui Chemical Co.,Ltd. is located in Hebei Province, the provincial capital of Shijiazhuang, is a company engaged in organic intermediates, pharmaceutical intermediates research and development, production, sales and technical services in one of the high-tech enterprises. The company mainly produces azaindoles, three azole compounds, such as pyridine, some products have been able to enlarge production from the laboratory to the factory. The company has a group of high-quality management team and R & D personnel, with several major domestic university laboratories and research institutions to establish a close cooperation with HPLC, GC-MS, LC-MS, advanced detection means and tools to retrieve documents and other types of NMR.