Dongbull is composed of a resonance box, a headstock, a piano rod, a peg, a bridge, and strings.

sound box
Flat and rectangular, it is similar to the piano case of Arcan Dombra, the smaller one is 23 cm long, 15 cm wide and 5 cm thick; the larger one is 30 cm long, 20 cm wide and 7 cm thick, and the frame is made of four pieces. It is made of pear, apricot or walnut and other sheets by splicing and gluing. There are square holes in the upper and lower sides for the piano rods. The two sides are covered with pine, spruce or red willow veneers. 4 cm to 5 cm.

headstock, stem
It is made of a rectangular strip of apricot wood and mulberry wood, and the length is the same as the full length of the piano body.

pegs, strings, bridge
The upper part of the headstock is flat and wide, bent backward in a shovel shape, and the bottom part is opened with a bottom string groove.

The piano bar is narrow and long, it is a semi-circular cylindrical body, the front is flat and the back is round, and the upper and lower widths are equal. There is a wooden bridge bridge under the sound hole of the panel. Lay two strings, use gut strings or silk strings.

The more famous pieces are: "Shawuerdeng", "Duoluer", "Aksur", "Xibobeleng", "Ulan Kebeleng", "Mongolia Beleng" and "Butterfly Dance".