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RoHS certification is the \"Directive on Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment\", which stipulates the restriction of lead, cadmium, mercury, hexavalent chromium, polybrominated diphenyl ethers, polybrominated biphenyls and RoHS2.0 in electrical and electronic products A total of 10 hazardous substances such as DEHP, DBP, BBP, and DIBP.

CCC certification is a national compulsory product certification, CQC certification is a national voluntary product certification, also known as logo certification, and CQC is the abbreviation of China Quality Certification Center. The main difference between the two is that CCC certification is compulsory certification, and CQC is voluntary certification. In addition, there are differences in certification classification and product coverage.

The European Parliament and the European Commission issued the \"Waste Electrical and Electronic Equipment Directive\" (referred to as the \"WEEE Directive\") and the \"Restriction of the Use of Certain Hazardous Substances Directive in Electrical and Electronic Equipment\" (referred to as the \"RoHS Directive\") on February 13, 2003. RoHS The purpose of this standard is to eliminate lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products (note: the correct Chinese name of PBDE refers to polybrominated diphenyl ethers, which is a false statement ) A total of 6 substances, with emphasis on cadmium content not exceeding 0.01%.

On December 3, 2001, the General Administration of Quality Supervision, Inspection and Quarantine and the State Certification and Accreditation Administration issued the 2001 Announcement No. 33 \"The First Batch of Products Subject to Compulsory Product Certification\" (hereinafter referred to as the catalog). The catalog has 19 categories and 132 products. The eighth category \"audio and video equipment\" 0801 sub-category is \"single-speaker and multi-speaker active speakers with a total output power of 500W (effective value) or less\" (ie audio), which means that audio is a CCC certified product catalog Products within the scope must be certified by CCC.

On December 3, 2001, the General Administration of Quality Supervision, Inspection and Quarantine and the State Certification and Accreditation Administration issued the 2001 Announcement No. 33 \"Catalogue of the First Batch of Products Subject to Compulsory Product Certification\" (hereinafter referred to as the catalog).

China Quality Certification Center (CQC in English) is the largest professional certification body in China. CQC and its branches at home and abroad are China\'s early and authoritative certification bodies for quality certification. The main business is to be authorized to undertake national compulsory product certification (CCC) work and CQC mark certification. The certification types involve product safety, performance, environmental protection, organic products, etc., and the certification scope includes more than 100 products.

The full name of 3C certification is the \"Compulsory Product Certification System\", which is a product conformity assessment system implemented by the Chinese government in accordance with laws and regulations to protect consumers\' personal safety and safety, 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. 3C certification is short for China Compulsory Product Certification.

In recent years, safety accidents caused by explosions of lithium batteries are not uncommon. You can often see safety accidents caused by overcharge explosions of lithium batteries during charging of mobile phones or explosions and fires of lithium batteries in battery cars on the news. These are the most common products that require lithium batteries in our daily lives. The safety issues of lithium batteries behind these accidents are more reflective.