Castor is referred to, including the activities and fixed castors.Activities also what we call the caster wheels, and its structure allows 360 degree rotation; fixed castors not spin structure can not rotate.
　　Usually with two wheels areActivities also what we call the caster wheels, and its structure allows 360 degree rotation; fixed castors not spin structure can not rotate. Usually with two wheels are
Castor is referred to, including the activities and fixed castors.
　 　　Castor is referred to, including the activities and fixed castors.Activities also what we call the caster wheels, and its structure allows 360 degree rotation; fixed castors not spin structure can not rotate.
　　Usually with two wheels areActivities also what we call the caster wheels, and its structure allows 360 degree rotation; fixed castors not spin structure can not rotate. Usually with two wheels are
Castor is referred to, including the activities and fixed castors.