CNDH is a high-tech enterprise focusing on the research, development, production and sales of in vitro diagnostic equipment and reagents relating to drugs of abuse and animal diseases.

CNDH occupies over 3000m2 of R&D, production and office space in Huangpu District, Guangzhou City, and has introduced internationally advanced production and R&D equipment. Combined the leading nanotechnology with the platforms of immune colloidal gold technology, immunofluorescence technology, and molecular diagnostic technology, CNDH has developed rapid diagnostic reagents, especially focusing on the detection of drugs of abuse and animal disease.

CNDH has adhered to the enterprise tenet of "Nano Diagnosis for Health", implemented the development strategy of applying advanced biotechnology to the health of humans and animals, constantly developed an accurate, sensitive and efficient testing system to provide customers with all-round services.