The history of A. T. Darusazan Iran Company The A. T. Darusazan Iran Company has established in 1360 with the purpose of production kinds of medicine, Livestock , Poultry, aquatic and feed supplements. After finishing the constructional operations, erection machinery and equipping modern laboratories with purchasing them from industrial courtiers, such as The United States of America, Germany, Switzerland, France and other European Countries, and also provided basic materials from famous companies like ,Roche ،DXox-al ،Merck Sharp & Dohmm, it could start producing of Veterinary medicinal products, like kinds of antibiotics and coccidiostats. This company always was equipped with the most modern quality control systems and Honored to benefit from high academic education experienced experts on the field of research and production of all veterinary medicines which the high level of production quality ,from the consumers perspective, confirms this subject. The A. T. Darusazan Iran Company is proud of the high experienced academic education staff at research and development section , and this point reflects the high quality of our products that is alleged. in 1384, the company could obtain 9001/2000 ISO certification and from 1389 it was changed to 2008/9001 ISO edition. furthermore ,In January of 1390, it was awarded a Certificate from TUV Nord, in designing products, livestock and poultry medicines and feed supplements . The other glories of this company are that, After about 20 months of activity and fully equipped the "Clean Room" at production halls Storages and communication corridors and also equipped Air handling, install filtration, Flat panel wall sandwich, production hall ceiling, granite floor , installing measuring temperature, humidity and air pressure, measuring the light and sound, electric current and pressure control device, High capacity and high speed mixers Pdly , Powder transferor systems in length and height and .... After performing these steps, it could obtain the GMP certification from TUV NORD Germany . It is significant that, this certification is the first and only certification which is provided by TUV Nord Company in the field of pharmaceutical GMP, between the Pharmaceutical and cosmetics companies from TUV Nord. also, in 1390 The A. T. Darusazan Iran Company was Managed to get a broadcast distribution license and In this regard, it complemented its product portfolio such as enzymes, feed additives and disinfectants .These products will be marketed in the near future. This company uses of modern production lines and equipment manufacturing machines . Products that are produced by this production lines are as follows : 1- coccidiostate production line which is equipped with modern and automatic machines 2- production line of kinds of powder antibiotics and vitamins that recently were equipped with modern and automatic machines. 3- Antibiotic production line, multi vitamins, minerals and amino acids syrup which recently ,with the papoose of higher production, were completely equipped. 4- The line of production of feed supplements, Single vitamin livestock, poultry and fish. Due to it is welcomed by the consumers for higher production, at all stages, it was equipped to thoroughly modern stainless steel appliances and began to activity. 5- In the near future, the company will start the production of disinfectants. Furthermore, In this regard, the related buildings were constructed. we hope that, After installing machines, we can support the consumer's idea. 6- Chemical and microbial quality control laboratories which are equipped with the latest machines by HPLC and atomic absorption. 7- Equipping the storage of raw materials warehouse to the cold room, In accordance with Monitoring standards. 8- In the end, it is worth mentioning that More than 50 percent of the company's headquarters and production staff are educated, and more than 40 percent of them have got the higher degree of Bachelor or P.H.D.