We almost can see hand cart and Trolley everywhere,but few people notice the cart caster wheels,unless they hear noise of wheel. Yes,the common trolley wheels will cause a lot of noise when running on the ground. It's OK for outdoor use.

But some place must be need the cart have mute caster wheels,which can running at low noise. Such as supermarket,library and hospital. Imagine when you are shopping,reading or Treatment, There are always have trolley wheels noise around you. I think that's must be make people headache.

So if you devices need use at quiet environment.Then we need choose mute trolley caster wheels---Like PU caster wheels,TPR caster wheels,and soft rubber caster wheels. As it need low noise,then we will need match wheel which have precision bearing,and soft tread wheels.Beside this we need also install the caster onto cart body tightly.

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