BlackWalnut：1.Characteristics: The surface of the piano is usually only walnut skin, the use of core solid wood, the material is hard, delicate and uniform, the material yield is lower than other woods, and the use of more time and more warm, great collection value.
2.Appearance: The black walnut is light black brown, the string section is a beautiful large parabolic pattern, the surface gloss saturated color is rich and full
3.Timbre: Hard, delicate and even wood, strong timbre stability, sound evenly spread, sound strong and powerful.)