Find Phone number, Location Address and all other information of Fumigation Companies In Karachi One Stop Solution (Pvt) Ltd. Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-34801528, or you can visit their location in person, address location is: L-152, Ist Floor, Block 13/G, Gulshan-e-Iqbal, Karachi.