All square bodies are masonry structures. The four bases are made of broad stones, and the measure is to grind bricks on them to form an arched square door with one big and two small. There are four pairs of stone lions on both sides of the square, which are vigorous and vivid. Shoulder supports the square roof, which is high in the middle and low on both sides. There are cornices and arches, as well as ancient tiles. The octagon stretches for thousands of miles, and the wind chimes hang high. The square is surrounded by exquisite brick carvings, monsters, rare birds and flowers, which are lifelike. The four relief figures in the middle of the workshop are lifelike.
The whole archway is 9.2m wide, 15m high, 3.3m deep and 30m2 in area. When New China was founded, the factory buildings were badly damaged due to disrepair, peeling and planing. 1983 The special funds allocated by Shandong Provincial Department of Culture were completely restored as they were. 1987 has been designated as a municipal cultural relics protection unit.