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.

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.

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.

Recently, since the three ministries have clearly required that all exported medical supplies must have a medical device product registration certificate approved by the drug regulatory authority in order to be released, many manufacturers who initially wished to obtain CE certification for medical masks through self-declaration began to export to Europe.

In the changing era of digital technology, the safety standards for audio-visual products (AV) and information technology equipment (ITE) products have gradually changed from passive safety regulations (IEC/EN 60065 & IEC/EN 60950-1) in the past to actively preventing potential Dangerous safety standard IEC/EN 62368-1:2014 (Second Edition).

TWS English: True Wireless Stereo, which means true wireless stereo. The realization of this technology is based on the development of chip technology, which means that the mobile phone is connected to the main speaker through the main speaker, and then the main speaker is connected to the slave speaker through Bluetooth wireless mode to realize the true Bluetooth wireless separation of the left and right channels. When the slave speakers are not connected, the master speakers return to mono sound quality. TWS technology uses the field of Bluetooth headsets, so it also spawned a new product-TWS Bluetooth headsets.