Yunnan Tonghai Yang Natural Products is a new & innovated company that is one of the leaders in agricultural industrialization with key backing by governments. Some of their fundamental natural colors they make and offer are: Curcumin, Lac Dye Red ( Lac Red ), Red Rice Red, Gardenia Blue, Gardenia Yellow, Grape Skin Extract, Carthamus Yellow, deodorized Purple Sweet Potato Color, deodorized Red Cabbage Color and deodorized Tonghai Radish Red etc.. They also produce Rosemary Extract, Honeysuckle Flower Extract and Tea Polyphenol.