... coated,also can with shelves. WMC-4:For storage,all surface are ok,the container can be put on ... enhanced base,can bear more weight.WMC-6:For storage,all surface are ok,the container can be put ... ,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 tube1. ...