Trolley Caster wheels
Swivel caster played a turning role on the flatbed trolley,As usual install 2 rigid caster wheels in front ,plus 2 rear swivel caster wheels,So that user can turning easy.They also need to consider trolley caster's work condition.
High temperatures need use high temperature resistance casters,
Uneven place need use damping casters or shock absorbing casters to ensure cargo safety.
For some particular place like,hospital,laboratory,need low noise need use hospital casters or medical instrument caster wheels.
Most of of casters are made according to user environment