Hunan Keyuan Bio-products Co.,Ltd

We are a professional manufacturer of nutraceuticals, plant extracts, pharmaceutical raw materials & intermediate.It was established in 2003. We owed three subsidiaries : production base?Hunan Keyuan Bio-products Co.,Ltd, R&D base?Shanghai Zheyuan Pharmaceutical Techology Research Institue and Shanghai Chuyuan Industrial Co.,Ltd. We supply Rutin, Resveratrol,Quercitin,Progesterone and so on. [详细介绍]