| Tel | : | +90 (212) 615 38 38 |
| Fax | : | +90 (212) 615 38 49 |
| : | gop@ist-el.com.tr | |
| Adres | : | Çukurçeşme Caddesi No:51 Gaziosmanpaşa İSTANBUL |
| Tel | : | +90 (212) 615 38 38 |
| Fax | : | +90 (212) 615 38 49 |
| : | gop@ist-el.com.tr | |
| Adres | : | Çukurçeşme Caddesi No:51 Gaziosmanpaşa İSTANBUL |