| Contact Person | Name:Prodip Kumar Barua |
| Designation:Managing Director | |
| Phone:1825034208 | |
| Email:gemini@colbd.net | |
| Mailling Address | House # 105/C, Road # 03, North KhulsiChittagongBaizid |
| Phone | 312580756 |
| Fax | 312580760 |
| gemini@colbd.net | |
| Factory Address | 295, Jalalabad, Hathazari RoadChittagongBaizid |
| Phone | 312580756 |
| Fax | 22580760 |