Ding Hei, Kemu people bow and pull stringed musical instruments. It is called Dong Zongqin because the strings use Dong Zong silk. Also known as Ding, Duxingqin, it is the only stringed instrument of the Kemu people. Popular in Mengla, Jinghong and other places in Xishuangbanna Dai Autonomous Prefecture, Yunnan Province.