DiZhao instruments are made with careful attention to precision in Tianjin, China. The workers are all superbly trained directly by Mr. Zhao. Piccolos are padded with Pissoni pads, and all pads are partially shimmed like professional piccolos. All instruments are made to achieve smooth key action, fast response, and excellent resonance. All instruments are tested and adjusted by Di Zhao in the United States before being shipped. Each headjoint is specially hand-cut and feature silver risers, yet another feature that makes Di Zhao student models play like professional handmade flutes. All are tuned to A 442. The grenadilla wood has been carefully selected, treated and seasoned to resist changes in temperature and humidity. Features: • Grenadilla wood body • Grenadilla wood headjoint • Wave style headjoint • Split E mechanism • Silver plated keys & mechanisms