R & D center: the R & D center is built in the science and Technology Park of Zhejiang National University. The R & D center has gathered a group of tea and tea extract industry elites, and hired professors from the Department of tea science of Zhejiang University and researchers from the Tea Research Institute of the Academy of agricultural sciences as special experts to form a professional R & D team. The center is equipped with advanced detection instruments such as: GC-MS, GC-HS, HPLC-DAD, HPLC-FLD, HPLC-ELSD, UV and other detection equipment. At the same time, R & D personnel are also familiar with Pharmacopoeia and regulatory requirements of various countries: USP, EP, JP, CP, ICH, eg, etc. Provide reliable guarantee for product development and quality stability.