As the largest manufacture enterprise of Carbamazepine, Zhejiang Jiuzhou Pharmaceutical Co., Ltd. has been engaged in pharmaceutical business for more than 30 years. Through 30 years of rapid development, Jiuzhou Pharmaceutical has been a famous API manufacturer with some competitive products, such as: carbamazepine, ketoprofen, gliclazide, albendazole, norfloxacin, sulfasalazine and slulfadimethoxine.