HVSEN is focusing on the innovation of novel macrolides APIs and preparations, with 42 patents and 3 certificated novel APIs. It has been famous of tylvalosin raw material and its preparations, florfenicol preparations and other macrolides products in the market for more than 10 years . Presently HVSEN has the capability of producing more than 50 veterinary drug products of raw materials & preparations, also some traditional Chinese medicines (TCMs) extractives (Table 1).
