

service and support
弦列寬頻設計
String column broadband design
鋼闆定位設計
Steel plate positioning design
優化音緣設計
Optimize the sound edge design
不等厚音闆設計
Unequal thickness board design
背柱增壓設計
Back column pressurized design
環境适應設計
Environmentally adaptive design
擊弦機
Stringing machine
弦槌
Hammer
鍵盤
keyboard
弦軸闆
Peg plate
共鳴闆
Sound board
鑄鐵闆
Cast iron plate
琴弦&踏腳闆
String & step board