Because the natural lines on the bark of the old elm stump are unique, it will be more artistic and valuable to keep them, so we can't remove the bark.

Yushu vegetable pier is mainly composed of vegetable pier plates. More than two vegetable piers are stacked together and covered with a fixed sleeve. The outer surface of the fixing sleeve is provided with a plate removing groove parallel to the vegetable pier plate for removing the waste vegetable pier plate at the top layer.