Changsha Huakang Biotechnology Development Co., Ltd is one of the largest manufacturers of herbal extract. Our technology support is based on Institute of Traditional Chinese Medicine who has devoted themselves in this area for more than 60 years. Our test equipment is checked every week. We have more than ten years experience in exporting herbal extract. We have enough experience to provide the best products and service for you. We believe we have strong ability to help our client to develop the new product. Our strong products usually includes green tea pe, ginkgo biloba pe, devil&＃039;s claw pe, bilberry pe, black tea pe, soybean pe, mangostin pe, ginger pe, valerian pe. etc.</p>