We can supply high grade with competitive price and both of OEM&ODM instrument Alto Horn1)Flat: Eb key2)Material: Yellow Brass body, Cupronickel Tuning Pipe3)Bore size: 13-14.6mm, Bell dia: 103.2mm4)Finish: lacquered High Grade Brass/Cupronickel/Lacquered Alto Horn
[China Manufacturers]