Dunhuang Laocaichengxiang 694L Lotus is made of superior mahogany and Henan high-quality paulownia plates, which are deeply processed and baked by high technology. This guzheng is made of precious materials such as muscovite, mica and concha Haliotidis embedded in wood by digging and embedding technology, which is carefully laid out, positioned, excavated and polished by craftsmen. This made Zheng feel bright and colorful.