Hluru musical instrument, the world's top steel tongue drum, karinba, one of the disc manufacturers. It has an advanced scientific musical instrument production base of 17800 square meters and more than 200 employees engaged in manual musical instrument production. The selection, storage, transportation and processing of wood and steel follow the most stringent standards, and strive for excellence in the research and development of high-quality performance of products. In daily life, we can feel the harmony of the overall timbre of each instrument, and solve many challenges such as mixing resonance.