Changsha Huakang Biotechnology Development Co., Ltd. is one of the largest manufactor of plant extracts in China. Our company is located in International Enterprise Center, No.188 Middle Huanbao Road, Changsha 410007, Hunan Province, P.R.China. Changsha Huakang has solid strength with rich experience after several years of manufacturing, developing & researching plant extracts.Changsha Huakang,with our consistent idea of "integrity & professional",is engaged in providing green,natural,organic ...