CCC certification materials are roughly divided into three parts, the first application materials, the second part is the sample testing materials, and the third is the factory audit materials.

GB/T19212.17-2019 \"Safety of transformers, reactors, power supply units and similar products with a power supply voltage of 1100V and below. Part 17: Special requirements and tests for switching power supply units and transformers for switching power supply units\" in 2020 Implemented on May 1, 2014, this standard replaces GB19212.17-2013.

On June 16, 2020, the European Union Chemicals Agency (ECHA) added 4 substances from the 23 batch of 5 review substances to the SVHC candidate list.

China Model Approval is abbreviated as SRRC certification, which is a national compulsory certification, which aims to distinguish the civilian band from the military band in the wireless band. It is the technical management of the technical parameters of the spectrum parameters before the radio transmission equipment is put into use in the development, production, import, purchase and other links. From June 1, 1999, the radio component products sold and used in China must obtain the radio model approval certification. The domestically produced, sold and used radio transmission equipment must be subject to type approval, and the approval certificate and type approval code shall be issued. The type approval code shall be indicated on the label of the factory equipment.

In August 2019, the China Quality Certification Center (CQC) issued the “Notice on Changes in Certification Requirements for Lithium Ion Batteries (Groups) and Chargers for Electric Bicycles”, amending the “Safety of Lithium Ion Batteries (Groups) and Chargers for Electric Bicycles And performance certification rules\" and the implementation rules of supporting documents, involving product categories: 142002.

The KC certification of information and communication equipment is a compulsory certification system that is implemented in accordance with Article 33 of the Basic Law of Korean Electric Communications and Articles 46 and 57 of the Radio Law.

The reason why the intelligent robot is called intelligent robot is because it has a fairly developed \"brain\". What works in the brain is the central processor, which is directly connected to the person who operates it. The main thing is that such a computer can perform actions arranged according to purpose. Because of this, we say that these robots are real robots, although their appearance may be different.

On June 11, the National Standardization Management Committee issued a notice deciding to extend the implementation date of the national standard GB 2626-2019 \"Respiratory Protection Self-priming Filter Anti-Particle Respirator\" to July 1, 2021. In accordance with the relevant provisions of the \"Administrative Measures for Compulsory National Standards\", during the transition period before July 1, 2021, enterprises may choose to implement GB 2626-2006 or GB 2626-2019. Encourage qualified enterprises to organize production according to the new standards as soon as possible.