ZDD Co. is a privately -owned ,knowledge-driven company active in developing,manufacturing and marketing chemical and biological pharmaceutical products.ZDD Co. was established in 2005 and began its development in the Center for Development of Pharmaceutical Products Technology Units of Tehran Medical Sciences University.

ZDD Co. started the construction of a pharmaceutical manufacturing plant in Baharestan Industrial Estate in Karaj in 2014 and transferred the production lines of Ziferon® and Tebazio®to the new site in 2016.

ZDD Co. is currently in operation by forming four (4) separate production lines including the production line for production of recombinant proteins with the use of bacteria,the monoclonal antibody production line,vial filling line and lyophilization of production line of high risk oral products.