Professional Yuesheng Guzheng String Set - German Wire Brand New Yuesheng Professional 21-stringed Guzheng String Set made with Highest Quality German Steel. Designed by Professors of Shanghai Music Conservotary. This set is the best string set available from Yuesheng. This string sounds warm and mellow and it's stronger to bend. If you like softer strings, lease check our Ebay store for their other type in purple package. All strings used German Roslau music wire, the best strings known in the music industry. Yuesheng Strings are known to offer the most variety and finest quality strings in guzheng industry. This professional guzheng string set includes string 1-21.