... 5, resistant to wear and tear: tung wood, although light, but not easy to wear, so bellows-tung wood, round rod mill ... stable tone, thus is how "Qin Tong" known. The board of the dulcimer, pipa, Qin Hu and Liuqin are all ... backs,finger jointed boards,coffin boards,princess and room partition board and so on.It also has the advantages of ... , L/C ,D/Pdelivery time15days wall panel of solid board