Reformed the corbel, the Dong people bowed and played the stringed musical instrument. It is popular in Rongjiang, Congjiang, Liping in Guizhou Province and Sanjiang and Rongshui in Guangxi Zhuang Autonomous Region.

Since the 1950s, Dong folk artists and musicians have carried out continuous reforms on the basis of inheriting the traditional characteristics of the corbel, aiming at the defects of low volume and poor sound quality.

First expand the resonant box, the panel is changed from flat to arched, and the sound holes on the panel are correspondingly enlarged; the movable sound column is changed to a circular wooden fixed sound column, supported between the surface and the back plate, and the best sound is selected. Position; additional fingerboard, easy to change the strings; use wire strings and wire strings successively to improve the sound quality; switch to a long ponytail bow for playing, etc. Expanded volume and range, so that the sound of the piano is crisp and sonorous, and the timbre is bright and pleasant.

Some also have a curved metal frame at the tail of the corbel, which can be held under the player's arm when playing, so that the body can be fixed, which not only reduces the burden on the left hand, but also enriches and develops playing skills.

The reformed corbel made by Liao Qunquan of the Rongjiang County Cultural Center in Guizhou Province uses "inverted wood" as the wood for making the piano. In addition to the above reforms, the center thickness of the back is set to 2.5 cm, and the head is changed from a rectangle to a cow's hoof. The string groove is changed from front opening to rear opening, and the shank end of the peg is decorated with horns, which is convenient for tuning. The sound is more rounded and beautiful.

Suitable for solo, ensemble or to accompany folk songs and dances. It is welcomed and praised by the Dong people, and has been adopted by the art troupes of several nearby counties.