German "Riethmuller" piano brand was founded in 1795, which is one of the top ten famous piano brands in Europe. It is famous for its pure timbre, unique technology and excellent performance. In the 1990s, the trademark of "Riethmuller" piano and all its technologies were wholly acquired by Zhujiang Piano, and integrated into Zhujiang Piano Family.

Pearl River piano inherits Riethmuller's exquisite craftsmanship and excellent quality, and introduces modern science and technology, new materials, new processes and new products, which fully sublimates the technical indicators of Riethmuller piano. Now, Riethmuller piano has been widely recognized by consumers at home and abroad. At present, the biggest sales volume in Europe is that Zhujiang Piano Group bought out the German Riethmuller brand. Sales in China are also more than 50,000 units a year.