AH BIOPHARM is a leading distributor of API, Additives, and Premix in China. We have 10+ years of experience in the field of veterinary raw materials. We have established close and stable cooperative relationships with over 100 domestic manufacturers, among them, we are one of the largest distributors of Tylosin, Tilmicosin, Spinosad, Doxycycline, Sulfa series, etc. In the future, AH BIOPHARM look...