... plastic power coated,also can with shelves. WMC-4:For storage,all surface are ok,the container can be put ... on anotherWMC-5:For storage,all surface are ok,have the enhanced base, ... wheels,and can be put on anotherWMC-8:For storage,all surface are ok,the base use enhanced ... channel beam and rectangular tubeWMC-9:For storage,all surface are ok,the base use rectangular ...