Find Phone number, Location Address and all other information of Computer Companies in Karachi Amtech Computer Karachi on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-21-34929462, or you can visit their location in person, address location is: Shop No.26, Mazhar Aracde, Near Tosso Resturant, Bahadurabad, Karachi.