1. The Voice of Jieyang has the phenomenon of confusing the fake with the real in the after-sales market.

2. The so-called conclusion is derived from the incident of "Harman International publicly declared a certain treasure and a certain east".

3. Some 4S shops have different views on the authenticity of the Voice of Berlin, and even there are fakes in the shops.

To sum up, the reason why the Voice of Berlin is not sold in China is mainly due to the problem of counterfeit goods in the market and the corresponding lack of supervision.