^{U arm/C Crab is widely used in glass lifting workshops, stations, harbors, ocean freight and other containers for glass lifting. It can easily load and unload the wooden boxes in and out of the top closed 20GP container.}

^{The U arm will not cause damage to the glass, does not need to drag wooden boxes, low loading and unloading costs, safety and reliability. It can be used in combination with cranes and cranes to make full use of the site without being restricted by the site.}