Troas Natural Stones
Troas Industrial Minerals
Troas Energy & Foreign Trade Co.
Entegre Kalite Politikası


Troas Minerals
ATA-2 Sitesi
Yabangulu Sok. 17
34688 Cengelkoy
Istanbul
Turkey

tel:  +90 216 486 16 16
fax: +90 216 486 16 19
e-mail: troas@troas.com.tr