China Quality Certification Center (CQC) organized by the switch power supply performance classification certification technology publicity and implementation meeting and double certification power supply enterprises 100 lines, successfully held in Shenzhen. It is reported that in order to promote the high-quality development of switching power supply industry and meet the requirements of high-quality certification of switching power supply enterprises, CQC specially compiled the performance of cqc1626-2020 switching power supply part 1: General requirements and test methods, and cqc1627-2020 performance of switching power supply Part 2: derating requirements and test methods for electronic components, and officially open the performance classification certification of switching power supply in August 2020. < / P > < p > it is learned that CQC certification is a voluntary certification and is not compulsory. However, the product must first pass CCC certification before it is qualified to apply for CQC classification and test. After passing, it is undoubtedly a higher recognition of product quality. < / P > < p > participating in the drafting of this technical specification are Huawei, Xiaomi, Skyworth, oppo, great wall, ZTE, Lenovo, Xiaotiantian and other well-known domestic leading enterprises. As the only invited Taiwan manufacturer in the industry, cooltop participated in the whole process. < p > < p > cool top brand has a history of 28 years. It is not only an outstanding radiator executive, but also one of the best in the field of power supply. At present, it has masterwatt, V, GX, zhanjian, Tomahawk, thunder, MWe, SFX and other series of power products, covering all fields of high, middle and low end. < p > < p > looking back on the history, the certification process of switching power supply in China has gone through two stages, one is the Great Wall certification from 1984 to 2002, and the other is CCC since 2002. Now the drafting of CQC means that the certification of switching power supply has entered the third stage, namely CCC + CQC double certification. < / P > < p > at the same time, it also marks that China is about to issue its own power rating standard, just like the commonly used 80plus in the industry, and it is revised by the National Quality Supervision Bureau and many well-known domestic enterprises. Global Tech