Casters are a general term, including movable and fixed casters. Movable casters are also what we call universal wheels. Its structure allows 360-degree rotation; fixed casters have no rotating structure and cannot rotate. Usually two kinds of casters are used in combination. For example, the structure of a trolley has two fixed wheels at the front, and two movable universal wheels at the back near the push armrest.
Industrial casters mainly refer to a caster product used in factories or mechanical equipment. It can be made of high-grade imported reinforced nylon (PA6), super polyurethane, and rubber. The overall product has high impact resistance and strength.
Mainly in the trolley, mobile scaffolding, workshop trucks, etc. extremely widely.