TENGYUE is a NSF-GMP certified manufacturer of quality herbal extract and natural ingredients; we manufacture herbal products of the higher quality to serve our customers in Nutraceuticals, Pharmaceutical and Cosmetic industries.Tengyue operates a brand-new, state-of-the-art manufacturing facility and an R&D center, which was CNAS-certified. Being a market-oriented manufacturer, Jiangxi Tengyue Biotech Co., Ltd. fully employs abundant natural resources both domestically and internationally through its worldwide supply network and produces more than 50 botanical extracts.Our proud service Custom-Q.C.SM satisfied many customers by offering excellent solutions to help them in other nutraceutical ingredients purchasing. At the beginning we mainly produce polyphenols and proanthocyanidins, 5 years ago the amount of investment increased to improve manufacturing equipments and facilities of testing in order to meet more clients' requirements. Now we could produce high quality products of Lutein, Resveratrol, flavones and other high purified extracts. www.herbpolyphenols.com