Serpil Oktay Alexander Cambol Nevzat Ertan Berat Aydogan Valeh Alizadeh Olivier Luis Harun Kilicaslan Oytun Oktay
serpiloktay@hisarcelik.com atcambol@hisarcelik.com nevzatertan@hisarcelik.com berataydogan@hisarcelik.com valehalizadeh@hisarcelik.com olivierluis@hisarcelik.com harunkilicaslan@hisarcelik.com oytunoktay@hisarcelik.com