The Odin 12 harmonica is a Guoguang brand. In 1931, Pan Jinsheng founded China in Shanghai. New Musical Instrument Manufacturing Co., Ltd. produces harmonicas. The founder, Pan Jinsheng, is known as the father of the Chinese harmonica and pioneered the independent production of harmonicas in China. In 1934, Lin Sen, then Chairman of the National Government, wrote a congratulatory message for China New Musical Instrument Manufacturing Co., Ltd. As a result, the Guoguang harmonica trademark with a history of more than 80 years is still in use today.