| Contact Person | Name:Amzad Hossain Chowdhury |
| Designation:Managing Director | |
| Email:hnf@colbd.com | |
| Mailling Address | Jahan Building # 2, 24, Agrabad C/AChittagongAgrabad |
| Phone | 31714845 |
| Fax | 31723883 |
| hnf@colbd.com | |
| Factory Address | Jahan Building No. 2,, 28 Agrabad C/AChittagongAgrabad |
| Phone | 31714845 |
| Fax | 31723883 |
