henan zhongda biological engineering co ltd, which was founded in 1994, is a professional manufacturer of natural pigment, food ingredients and functional foods in china, and the pioneer of application of natural pigments in food, meanwhile the earliest research institute enterprise of natural pigments industries of china. zhongda has built up a modern enterprise group organizational stucture by raw materials plantations including gardenia, turmeric, chilli and radish and two factory , three further processing bases, provide six series of natural pigments which consist of more than 300pieces to our customers.