JF-Natural is the biggest grape seed extract manufacturer in China, specialized in the production of a series of products from grape, such as Grape Seed Extract, Grape Skin Extract, Grape Seed Oil, Grape Leaf Extract, etc. In addition to Grape Seed Extract, we also produce Rhodiola Rosae Extract, Rose extract, Bilberry Extract, Giant Knotweed Extract (Resveratrol) , Serrate Clubmoss Extract( Huperzine). The company is ISO9000 certified and has self-operation import and export license. JF-Natural has introduced a modernized management system, established a perfect quality control system, a strict and standard production management. We investigate each step from raw material and production to finished product. We especially pay great attention to the selection and purchase of the raw materials, use for example the grape seed from the north of 38°latitude north