Hunan Baide Biological Products Co., Ltd. was founded in 2009, with an area of 2000 square metres.we mainly focus on the purification of active ingredients from plants and herbs. With strong R&D capabilities and advanced production technology. Our key products are trans-resveratrol 98% and emodin 95% extracted from natural polygonum cuspidatum (Gaint knotweed),as well as some of other plant and herb extract. Service the Pharmaceutical, Nutraceutical and Cosmetic industries. Accumulated with more than 14 years of experiences in resveratrol, emodin and herb extract. Our annual output of resveratrol is around 50 tons per year, stable supplyment makes us easy to establish very strong and long- term relationship with customers. As we are true manufacturer, the price is very competitive. All of our ingredients are manufactured under strict quality standards. Hunan baide is also a supplier of Kosher-certified high purity botanical extracts. We have best qualified sales team, as well as the best customer and after sales service. We strongly believe that product quality is the most importance to our customers and customers satisfaction is vital for us. We are proud to be your trusted partner