| Contact Person | Name:Mamunur Rashid Sinha |
| Designation:Managing Director | |
| Phone:1819224281 | |
| Email:opex@bdmail.net | |
| Mailling Address | House # SW(A) 20, Road # 8DhakaGulshan-1 |
| Phone | 28828860 |
| Fax | 288288614 |
| opex@bdmail.net | |
| Factory Address | Hazi Kuzrat Ali Super Market, 1, Harunabad, Section # 12DhakaMirpur |
| Phone | 28012141 |
