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This is a cat litter that specailly for the stray cats living on the city. Nowadays, These stray cats are still living in an extremely harsh environment in the city. So, we can give them a warm home. This cat litter is hanging in the fence, so that to the greatest extent save the city space. What’s more , it can be folded, easy to transport.
Product theme:humanistic concern/ingenious method/Light transport
School of Mechanical Engineering