The replacement of trolleys will effectively ensure that the items in the trolleys are not easy to fall. The anti-collision angle is added at the corner of the steel basket, so that the car body and other articles are not easy to be scratched. The special handle fixing device ensures that the handle will not rotate. Large span bottom can better reflect the beauty of trolleys. Special steel pipe makes the bottom structure of the car more solid and beautiful. Casters of different models can be installed and processed with various electroplated surfaces.