Oxygen Factory Head Office

85 Outer Circular Road (1st floor), Malibagh, Dhaka – 1217, Bangladesh.

Phone: +8801612534455, +8801912534455

Email: mail@oxygenfactory.org

najiurrahman52@gmail.com

facebook: https://www.facebook.com/oxygenfactory.org

twitter: https://www.twitter.com/oxygenfactory.org