It is a product safety certification system formulated by the National Quality Supervision Bureau of the Republic of China. All national standard power cords have obtained China Compulsory Certification (CQC/CCC certification). Must comply with CQC/CCC certification.

Countries with the same power cord plugs as China include Argentina, Australia, New Zealand, New Guinea, Melanesia, Micronesia, Polynesia and other places. It is suitable for people who go abroad for business, study and travel. It can be converted to local voltage. It has no transformer function and no USB function. It is suitable for people who go out with a charger and use it abroad.