1High quality brass, the right ratio of copper, zinc, tin and nickel guarantees the excellent physical properties of brass, making it ideal for making musical instruments. 2The instrument has a very good tone and good resonance. 3The surface is polished, the surface is smooth, and the feel is very good. 4The surface of the product is coated with a gold coating and welded with precision equipment. 5It adopts large-diameter shape design, with large sound and strong penetrating power.
