Tekfen Partners with Petra to Bring New Hard Rock Undergrounding Technology to Its EMEA Operations community news Tekfen Partners with Petra to Bring New Hard Rock Undergrounding Technology to Its EMEA Operations AETOSWire sarjatha 16 June، 2022 ISTANBUL — Tekfen Holding A.S. (IST: TKFEN), a leading conglomerate in the engineering, contracting and agriculture industries,...Read More