We are Challenge group, invested by China national feed institute, is a high-tech and professional feed additives supplier in China with more than ten years experience, Our leading products including Phytase( granular,liquid and coated), Xylanase( granular and liquid), Complex Enzyme, Betaine( Unhydrous and Hydrochloride), Sodium Butyrate, Potassium Diformate, Ferrous Fumarate, Bacillus Subtilis and Bacillus Licheniformis etc.,



We have 7 manufacturing bases, which can guarantee huge annual ...