Dongfang Ding harmonica is made of healthy and non-toxic materials with moderate pitch, which is suitable for beginners and skilled people. At present, it is selling well on e-commerce platforms. Guoguang Harmonica is a local brand in China with a long history, complete product range and good waterproof performance. Classic series include national dream and blues.
To sum up, Dongfang Ding and Guoguang Harmonica have their own characteristics, depending on personal needs and preferences. If you are a beginner or have limited budget, it is recommended to choose Oriental Ding Harmonica. If you have requirements for waterproof performance, or like classic series, you can consider Guoguang harmonica.