1950: Şifa Pharmacy – Trabzon
1959: Doğu Drug Store - the first medicine distributor in Blak Sea Region
1965: Saba İlaç - medicine manufacturing
1970: Catgut production - Doğsan brand name
The first surgical suture manufacturer in Turkey, the Middle East and Balkans.
following years Silk production and
1986:manufacturing of synthetic non-absorbable sutures
2006: manufacturing of synthetic absorbable sutures