Dogusan Boru Sanayii ve Ticaret A.S. Announced earnings results for the full year ended December 31, 2018. For the full year, the company announced sales was TRY 4.271 million compared to TRY 3.663 million a year ago. Operating loss was TRY 1.640 million compared to TRY 791,192 a year ago. Net loss was TRY 2.182 million compared to TRY 1.236 million a year ago.