Dunhuang erhu is produced by Shanghai No. 1 National Musical Instrument Factory, which was founded in 1958. The "Dunhuang" trademark has been rated as "Shanghai Famous Trademark" for many years, and its musical instrument making skills have been included in the national intangible cultural heritage protection list. Dunhuang erhu is made by the country's only national erhu senior technician Wang Genxing and other master Hu makers, who built the "Chinese National Musical Instrument Museum" in 1986. As the first instrument manufacturer to launch a limited edition erhu and the first to adopt the Shoukang bow, the factory exhibited the world's largest simulated erhu at the 2003 Shanghai Musical Instrument Exhibition, and later developed a fully transparent new concept erhu, and also developed a novel product, the electroacoustic erhu, which was unveiled at the closing ceremony of the 2008 Beijing Olympic Games. Dunhuang erhu is classified by 01A, 01B, 02A, 02B, all the way up to 13A, and the higher the starting number, the better the quality and the higher the price. The recommended model 10A erhu, made of old mahogany and high-quality python skin, the price is about 4000 yuan, the workmanship is fine and fashionable, the sound quality is mellow and crisp, and it is the best choice for live performance. It is worth noting that Dunhuang erhu is an anti-counterfeiting product, and the code is engraved with laser on the side of the body, which should be consistent with the code on the body code and the python skin collection card.