Ventilation installment works contracted by KIDDE FIRE TRAINERS GMBH at Training Simulation Building undertaken by METEKSAN SAVUNMA A.Ş. at KOCAELİ GÖLCÜK NAVY BASE, a project mechanical contract works of which undertaken by AKTİF MÜHENDİSLİK SAN. TİC. LTD. ŞTİ. is still in progress.