Castor application field

To trace the history of the castor is also a very difficult thing, but after people invented the wheel, moving and moving object is a lot easier, but can only be run on a straight line, wheel for moving heavy objects to the direction of the change is still very difficult, then people invented with a steering wheel structure, that is what we now call the industrial casters or universal wheel. Castor appeared to people carrying especially moving object has brought the era of the revolution, not only can easily carry, can also with any direction, greatly improving the efficiency. / news_162。