1, look at the packaging. The packaging of original parts is generally standardized, the standard specifications are unified, and the printed words are clear and formal, while the packaging and printing of counterfeit products are relatively poor, and it is often easy to find packaging defects.

2. look at the paint Unscrupulous merchants simply process waste parts, such as disassembly, assembly, assembly and painting. And then pretend to be qualified products for sale, illegally obtaining high profits.