The industry certification is mainly dominated by operators (GCF, PTCRB, etc.) and patented technology forums (Bluetooth, Wi-Fi, USB forums, etc.), mainly focusing on product consistency, performance, network compatibility, After more than 10 years of cultivation and development, the domestic testing industry has been widely recognized by international industry organizations, such as the International Accreditation Forum (GCF), which currently has 64 authorized laboratories around the world, of which 24 are Chinese laboratories, accounting for more than 1/3. At present, only some developed countries such as Europe and the United States have higher requirements for industry certification.