Single Girder Vertical Column Mounted Jib Crane is a cantilever type jib cranes consisting essentially of a vertical and a horizontal structural members. The Vertical Column Mounted Jib Crane is equipped with a hoisting mechanism fixed to the horizontal member, or a trolley or crab equipped with a hosting mechanism travelling along horizontal member. The Jib Crane may be fixed to or rotate about the axis of the vertical member with its support arranged substantially through such axis. The Single Girder Vertical Column Mounted Jib Crane has the arm working with swing rotation of either 180 degree or 270 degree or 360 degree.