... to lift,move and materials handling.2.Jib crane is composed by the vertical shaft,revolving arm ... heavy materials.4.The advantages of the jib crane:simple structure,operage convenient,turning agile,wide working ... .Self-standing,manual or electric control.6.Jib crane is developed in recent years,small,medium-size ... .Sketch:IF you want to order our jib crane, please let me know the following information:1 ...