Zhejiang Chyszern technology Co., Ltd is a joint-stock company which founded in 2001.

Chyszern's business scope now involves developing, producing and marketing of API, veterinary pharmaceuticals, finished product of vet drugs, feed additives. Company has been certificated with GMP in 2007, and is successively fulfilling ISO9001, ISO14001, OHSAS18001 to improve and enhance management system and quality assurance system.

Chyszern's central laboratory is originated and set up by other three local famous universities besides CHYSZERN itself, they are Zhejiang University, Zhejiang University of Technology, Zhejiang GongShang University. With qualified team advanced facilities and abundant resources from world-around., it has already received rewards offered by Industry, Teaching and Research departments in the fields of synthesis, bio-fermention and innovation of new preparation. CHYSZERN enjoys honors of Outstanding enterprise of zhejiang in science and technology innovation.