Where is the third-party testing company? Responsible for helping to inspect the goods.

1, the larger ones are SGS, BV, ITS, TUV Rheinland, TUV Nande and Yajian. The advantage is that the organization is large and relatively easy to control, but the price is also high;

2. Every local page will have some small-scale testing companies, the price is relatively low, and the quality depends on the situation;

3. There are also some Internet platforms. One is called "calculation database", which is similar to Didi's model and the price is lower. Then the whole system is standardized, and the inspectors are also professional institutions, which is a good choice for individual self-employed or small trading companies.