Dr. Zheng graduated from the Academy of Military Medical Sciences. Since 1996, he has been engaged in the research and development and production of human diagnostic reagents. He has more than 20 years of experience so far. He has accumulated rich experience in the research and development and production of colloidal gold, ELISA, chemiluminescence and various PCR diagnostic reagents. At the beginning of 2013, he began to enter the field of animal disease diagnosis, and successfully developed more than 30 kinds of animal disease detection reagents for common animal diseases, multiple diseases and major diseases, and successively obtained 9 invention patents.