1, the formal purchase channel. The quality of self-operated commodities in JD.COM is guaranteed, and all self-operated commodities in JD.COM have regular purchase channels. Commodities can provide invoices and three-guarantee certificates, and after-sales service is guaranteed.

2. Official authorization. The German Rainbow Car Audio on JD.COM belongs to the third-party goods, all of which are officially authorized. Officially authorized goods are normal and genuine, and there are no fakes.