2.Hivi Audio Hivi (the world's top loudspeaker and loudspeaker manufacturing multinational company)
3. Pioneer Audio (Japanese audio brand, world-famous brand)
4.Denon (Japanese audio brand, world famous brand)
5. Hushan Audio (a well-known brand of national audio)
6. Qisheng (China well-known trademark, national inspection-free product)
7.BBK Audio (China well-known trademark, national inspection-free product)
8. Sony Audio (Japanese brand, world famous brand)
9.Bose (American brand, world brand)
10, Li Sheng Audio CAV (a well-known brand of audio enterprises)