14 strings guzheng tunning

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tools need
tunning wretch (srew driver）or pliers to replace.
tunnor( electric tunnor for example mobile phone app)
Strings number and scales name：
NO.1 D6
NO.2 B5
NO.3 A5
NO.4 F#5
NO.5 E5
NO.6 D5
NO.7 D6
NO.8 A4
NO.9 F#4
NO.10 E4
NO.11 D4
NO.12 B3
NO.13 A3
NO.14 F#3