Longze Biotechnology Co., LTD is a professional manufacturer that specialized in herbal natural plant extract and pharmaceutical raw material supply.Our main products as following:1. Bilberry Extract Anthocyanidins 7~25% by UV2. Cranberry Extract Proanthocyanidins (PAC) 10~50% by UV3. Elderberry Extract Anthocyanidins 25%byUV4. Black Currant Extract Anthocyanidins 5~25% by UVBilberry Extract,Cranberry Extract,Elderberry Extract ,Black Currant Extract,Black soybean hull Extract,Horse Chestnut Extract,Schisandra chinensis Extract