Huzhou Hengyuan Biochem. Tech. Co., Ltd. is specialized in the development and manufacture of new-type APIs and pharmceutical intermediates. The company boasts a top-notch R & D and production professionals very experienced in pharmacy and chemical engineering fields. In APIs, we have successfully developed more than ten products, like Prulifloxacin, duloxetine hydrochloride, Milrinone, Atomoxetine Hydrochloride, Olopatadine Hydrochloride, Adapalene, zelnidipine etc. In chemical intermediates, we devote ourselves in the development of new drugs APIs and intermediates (several products are still under development). Our business mode: 1, Independent development and manufacture; 2, Provide custom-made products for customers;3, Accept development by mandate from customers.