Changsha Luyuan Bio-Technology Co., Ltd. is one of Leading manufacturer that Concentrates on Plant Extract/Botanical extracts R&D, producing and marketing for 10+ years. Our factory are equipped with advanced production equipment to extract, separate and purify the effective components of botanicals. We can produce more than 100 kinds of plant extract. Production capacity is about 400 Tons per year. The capacity of processing medicinal herbs is about more than 1, 000 tons per year. 1. FREE sample 2. GMP factory, GAP plant bases. 3. Customized Services. 4. Capsulizing, fomula Services. Products Series: Ursolic acid, angelica extract, andrographolide, ginkgo leaf extract, astragalus extract, bitter melon extract, ginseng extract, grape seed extract, green tea extract, rhodinal extr