Guanyuan bio-tech has 700,000 square meter standard planting base in Hunan province. Head office occupies an area of 100, 000 square meters with 68 employee, 8 of which are professional and technical personnel .It is comprised of plant extract factory and specially equipped R&D centre. Guanyuan has set integral system from GAP, R&D, Quality control, pilot plant test to production which under direction of ISO9000. During long-term cooperation with Jishou university, Hunan university of Chinese medicine, China pharmaceutical university and other top institute, Guanyuan bio-tech has won high praise by customers from home and abroad.