promotion small electric portable crane

portable crane lift,small portable crane,portable crane systemsIndoor craneis a lifting machine, generally equipped with a winder (also called a wire rope drum), wire ropes or chains and sheaves, that can be used both to lift and lower materials and to move them horizontally. It uses one or more simple machines to createmechanical advantage and thus move loads beyond the normal capability of a human. Cranes are commonly employed in the transportindustry for the loading and unloading of freight, in the construction industry for the movement of materials and in the manufacturing industry for the assembling of heavy equipment.