Established in 2008, Zhejiang Dazhan Biotechnology Co., LTD. (formerly known as Ningbo Yijia Biochemical Co., Ltd). is a biological pharmaceutical enterprise founded by 4 peoples with oversea studying background. Through combing the advantages of these students in their majors with the practical experiences in the manufacturing fields of pharmaceuticals and chemicals, now mainly specializes in the research and development of high-end APIs and intermediates of biological pharmaceuticals both in b...