UL is the abbreviation of underwriter laboratories in the United States. UL is the most authoritative and largest organization engaged in product safe

ETL is the most dynamic safety certification mark in North America. It can be traced back to the electrical testing laboratory founded by Thomas Ediso

EPA is the abbreviation of the United States Environmental Protection Agency. According to the authorization of the clean air act of the United States

Certification of childrens products refers to the written childrens product certificate (CPC) issued by the manufacturer and importer of childrens pro

California 65, the drinking water safety and toxic substances Enforcement Act 1986, was issued in November 1986. The purpose of the act is to protect

Fcc-id is a compulsory certification for wireless products in the United States. After testing, the products meet FCC requirements, and the device can