

service and support
弦列寬頻設計
String column broadband design
鋼板定位設計
Steel plate positioning design
優化音緣設計
Optimize the sound edge design
不等厚音板設計
Unequal thickness board design
背柱增壓設計
Back column pressurized design
環境適應設計
Environmentally adaptive design
擊弦機
Stringing machine
弦槌
Hammer
鍵盤
keyboard
弦軸板
Peg plate
共鳴板
Sound board
鑄鐵板
Cast iron plate
琴弦&踏腳板
String & step board