阿拉斯加顶级云杉实木音板
德国工艺真空铸造铁板
德国顶级ROSLAU琴弦
美国贝克尔全实木击弦机
德国FFW顶级榔头
砝码称重配比琴键
钨钢弦轴钉增强稳定性和韧性强度
Top quality Alaska spruce wood soundboard
German Craftsmanship process vacuum casting iron plate
German ROSLAU top string
Becker Bros. Technique woodstring machine
German FFW top hammer
Weight ratio keyboards
Steel Nails enhancing the stability and toughness
注：由于产品不断升级，具体请以实物为准。
P.s. The products may differ from the descriptions.
