2022wholesale - Patent Erhu Qintong Not Cracking Refined Sandalwood Erhu Part Of The Country LobularTianjin hundred far Musical Instruments factory, is the national approval allows the use of boa leather production China national musical instrument erhu professional designated factory, USES the international quality authentication standard for quality management, production saunders, old annatto, ebony valuables as hard wood and high end erhu. Especially, according to the different characteristics of woodiness, boa skin by the formation of the