Chemi Darou industrial company ( public joint stock ) was founded in 1965 under the name of Heachst industrial company ( private joint stock ) , with registration no : 10080 – in 1980 . It became affiliated to the official Government managerial system and thereafter its name was changed to CHEMI DAROU INDUSTRIAL COMPANY ( private joint stock ) . In 1991 the company was changed to a public join stock and its share were offered to the general public at Tehran stock exchange . COMPANY'S ACTIVITIES The company’s general activities consist of the following two major fields : THE PHARMACEUTICAL PLANT : At this complex a variety of Digestive , Antianxiety , Analgesic , Diuretic and Antibiotic drugs are manufactured in different dosage forms such as Regular and Coated tablets , Ampoules , Capsules , Syrups and Drops . THE CHEMICAL PLANTS: At this plant , Polyvinyl Acetate resins is manufactured. this product is infant the raw and intermediate materials to be used by different industries such as paint ,detergent , tobacco , wood , carpet , wall paper concrete , building exterior and textile industries