http://www.cshek.com/ Our History Changsha Heking Bio-tech Co., ltd was established in 2016, located in Changsha, Hunan province. Heking is a professional supplier of herbal extracts & plant extracts, specialized in the research, development and production of active ingredients of plant extracts and natural products for functional foods, dietary supplements, health products and pharmaceutical field. Besides, We have founded our unique warehouses in Los Angeles, USA in order to serve more customers all over the world. Our Teamwww.cshek.com/