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Castors generally include movable castors, fixed castor […]
Castors generally include movable castors, fixed castors and movable castors with brake. The movable caster is also known as the universal wheel. Its structure allows 360 degrees of rotation; the fixed caster is also called the directional caster. It has no rotation structure and cannot rotate. Generally, two kinds of casters are used together. For example, the structure of the trolley is two directional wheels at the front and two universal wheels near the push handrail at the back. Castors are made of various materials, such as PP castors, PVC castors, Pu castors, cast iron castors, nylon castors, TPR castors, iron core nylon castors, iron core Pu castors, etc.