Hangzhou Tianzhao technology co., LTD. Is a high-tech enterprise specialized in the research and development, production, sales and service of liquid chromatography system (HPLC). At present, it has become one of the most professional liquid chromatography manufacturers in China. It has obtained a number of invention patents and Copyrights. Since its inception, the company has been "committed to the innovation and application of chromatographic instruments", and strive to become a domestic first-class chromatographic instrument production and service provider. Through the combination of independent research and development and cooperative development team technology platform, gathered a large number of outstanding professionals, and with a number of universities, scientific research institutions to establish close cooperation. The company has developed lc-500 high-performance liquid chromatograph, preparative liquid chromatograph, DAC dynamic axial phase system, simulated moving bed and other instruments, and widely used in chemical, pharmaceutical, food, textile and other components detection, traditional Chinese medicine and biological extraction. Adhering to the core values of "pursuit of excellence, respect for individuals, service to customers, integrity and responsibility", we are committed to building an enterprise with strong international competitiveness in the field of chromatography and become one of the models of innovative enterprises in China. 1