Activity Areasmedyarella2019-08-01T18:06:33+03:00 Dams HEPPs and Ponds Drinking Water Networks and Transmission Lines Sewage Infrastructure Works Bridge and Viaduct Works Railways and High Speed Railways Roads, Highways and Motorways Land Consolidation Works Contact Information Mustafa Kemal Mah. Dumlupınar Blv. D1 Blok Apt. No:274/8/16 Çankaya/ANKARA Phone: +90 (312) 479 46 26 Fax: +90 (312) 479 46 25 E-mail: info@onhinsaat.com.tr www.onhinsaat.com.tr