Then you need a stainless steel rolling cart.
Most commercial kitchens have at LEAST one or two of these. They're durable and stylish workhorses that save wear and tear on your back and other body parts.
Don't even think about buying a new one of these for less than $200. Most are $300 or more.
However, restaurants go out of business all the time and their lightly used stuff becomes available. We have two very nice ones at Mary's Cupboard for $90 each.