| Name | Black Optical | 
|---|---|
| Address | Holding no-A. K. Plaza, Shop-104, Road-Sonargaon Janapath, Sector-9, Uttara, Dhaka | 
| Phone | 1671125603, 1949400981 | 
| Working days | Thursday, Friday | 
| Working hours | 10.00 AM - 10.00 PM | 
| District | Dhaka | 
| Name | Black Optical | 
|---|---|
| Address | Holding no-A. K. Plaza, Shop-104, Road-Sonargaon Janapath, Sector-9, Uttara, Dhaka | 
| Phone | 1671125603, 1949400981 | 
| Working days | Thursday, Friday | 
| Working hours | 10.00 AM - 10.00 PM | 
| District | Dhaka |