UL is the abbreviation of Underwriter Laboratories Inc. (Underwriter Laboratories Inc.). The UL Safety Testing Institute is the most authoritative in the United States and the largest private organization engaged in safety testing and appraisal in the world. It uses scientific testing methods to study and determine whether various materials, devices, products, equipment, buildings, etc. are harmful to life and property and the degree of harm. It is an independent, non-profit, and test for public safety. Institutions; determine, compile, and issue corresponding standards and materials that help reduce and prevent loss of life and property, and carry out fact-finding research.

In order to enable consumers to have a clearer understanding of the certification marks marked on the purchased products and to reduce the various certification costs borne by product manufacturers, the Korea Institute of Technology and Standards (KATS) announced on August 20, 2008 that it will The new certification system KC (Korea Certification) certification will be implemented on the 1st. The plan was first implemented in the Ministry of Knowledge Economy in July 2009, and was expanded to all departments at the end of 2010.

In order to ensure the safety of air transportation and meet the customers\' needs for the transportation of goods containing lithium batteries, in accordance with the relevant provisions of the International Air Transport Association \"Dangerous Goods Regulations\", the operating specifications for rechargeable lithium batteries, namely UN38.3 testing, have been formulated.

Before communication terminal equipment and wireless products can be legally sold in these countries, they must be tested and approved according to the RED directive, and they must also have the CE-mark. Wireless remote control products must meet the requirements of the RED Directive REDEU (Note: On May 22, 2014, The Radio Equipment Directive (REDEU) was officially announced in the Official Journal of the European Union (OJ) and became effective on June 12, 2014. The The Directive will replace the Radio and Telecommunications Terminal Equipment Directive (R&TTE Directive). Member States should transform the Directive into Member States’ laws before June 12, 2016, and the original R&TTE Directive EC) will be repealed accordingly. June 13, 2016 Member States should adopt the New Radio Equipment Directive (RED); from June 13, 2017, products that comply with the old R&TTE Directive will not be allowed to be sold on the EU market.)

MIC certification is commonly known as TELEC certification, and Japan Amazon will call it Giteki certification. They are all the same certification, but the name is different. TELEC certification is the radio law. Exporting to Japan with Bluetooth/WIFI and other wireless devices must do this certification before exporting.

The full name of 3C certification is \"Compulsory Product Certification System\". It is a product conformity assessment system implemented by the Chinese government in accordance with laws and regulations to protect consumers\' personal safety and national security, strengthen product quality management. The so-called 3C certification is China\'s compulsory product certification system, the English name is China Compulsory Certification, and the English abbreviation is CCC.

EMC testing is also called electromagnetic compatibility (EMC), which refers to the comprehensive evaluation of the electromagnetic field interference (EMI) and anti-interference ability (EMS) of electronic products. It is one of the most important indicators of product quality. The measurement of electromagnetic compatibility The test site and test equipment are composed. The purpose of EMC testing is to detect the influence of electromagnetic radiation generated by electrical products on the human body, the power grid in public places and other electrical products that work normally.

China Quality Certification Center (English abbreviation CQC) is a professional certification body approved by the national competent authority. CQC and its branches at home and abroad are China\'s earlier authoritative certification bodies for certification work. Over the past decades, they have accumulated rich certification work experience and achieved outstanding results in various businesses. The CQC mark certification is one of the voluntary product certification services carried out by the China Quality Certification Center. The application of the CQC mark indicates that the product meets the relevant certification requirements for quality, safety, performance, electromagnetic compatibility, etc.