Nanjing Feile Instrument Co., Ltd. is a research and development laboratory analysis instruments, specializing in the design, production and sales enterprises. At present, the main products are: T-6 series UV visible spectrophotometer, T-6v series of visible spectrophotometer, the proportion of D-7 monitoring double beam UV visible spectrophotometer spectrophotometer, D-8 series of quasi dual beam scanning UV VIS spectrophotometer, G-9 series of double beam scanning purple visible spectrophotometer, G-9 series of multi element spectrum analysis system, D, T, G three series, suitable for different application ways of high-end and ordinary type, in order to satisfy the different experiments in different sectors of the demand for a product, and provide a full range of multi-level quality services for the selection of equipment, the industry personnel training, installation commissioning. Rockefeller has independent research and development professional project team, in product design and production management on the pursuit of refine on, instrument system operation is simple and easy to understand, simple and elegant appearance. Feiler set up a sales and service network in most of the domestic large and medium-sized city, UV VIS spectrophotometer, etc. the products are widely used in many scientific fields of teaching, medical, chemical, agriculture, electronics etc..