Bao Tong: 19 17 originated from Japan, one of the top ten harmonica brands, an instrument manufacturer with rich experience in harmonica production, outstanding achievements in reed instruments and a long history of accordion manufacturers.

Holland: Germany's "Horner" is recognized as the world's first harmonica brand by many harmonicas and enthusiasts around the world, and its output of blues harmonicas is about 4 million pieces per year.

Suzuki Suzuki: Suzuki Violin was founded in 1887 by musical instrument manufacturer Mr. Suzuki, and produced by Suzuki Violin Manufacturing Co., Ltd. in Japan. It has a history of 130 years.

Guoguang: Shanghai Guoguang Harmonica Factory Co., Ltd., a well-known harmonica brand, was established in 193 1. Is a professional manufacturer dedicated to producing and selling harmonicas, with advanced equipment and exquisite technology, and is one of the earliest manufacturers of harmonicas in China.

Swan: Ningbo Swan Sporting Goods Manufacturing Co., Ltd., a famous brand of roller skates, a member of China Sporting Goods Federation, and one of the largest roller skating product manufacturing bases in China.

Chi Mei: Founded in 1980, it is a famous trademark and brand in Jiangsu Province. Mainly engaged in the production and sales of series of musical instruments. Chimei brand musical instrument is accurate in pitch and beautiful in timbre, which is very suitable for students to learn and play.