| Contact Person | Name:Giash Uddin Chowdhury |
| Designation:Managing Director | |
| Email:combined@colbd.com | |
| Mailling Address | 1670/2091, West Sholashahar,ChittagongAturar Depot |
| Phone | 31681818 |
| Fax | 31682822 |
| combined@colbd.com | |
| Factory Address | 1670/2091, West Sholashahar, Aturar DepotChittagong |
| Phone | 31681818 |
| Fax | 31682822 |