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Industry dynamics

Transformer knowledge Q & A: introduction, transformer CE certification......

1. What are the types of power transformers? What are the main components? Answer: With the development of the power system, the demand ...

2024-10-14

Difference between CCC and CQC

CCC and CQC difference analysis Recently, the State Council reformed and improved the compulsory certification system for electroni...

2024-10-14

Lithium-ion batteries and mobile power into China's compulsory certification

On September 23, the State Council issued the "Opinions of the General Office of the State Council on Deepening the Reform of the...

2024-10-14

Standard Edition Change | About GB 4943.1-2022 Standard Edition Change Certification Implementation Plan

According to a recent announcement issued on the official website of the CNCA, the "Announcement of the CNCA on Clarifying the R...

2024-10-14

Introduction to some basic understanding of transformer UL certification

In the AC circuit, the voltage increase or decrease of the equipment called transformer, the transformer can convert any value of the vol...

2024-10-14

UL certification, how to make labels?

After the product has applied for UL certification, many customers will be confused about how to make a label, and they don't know where ...

2024-10-14

CE certification process for power adapter

The power adapter is one of the frequently used accessories in mobile devices, such as notebooks and mobile phones. These products will us...

2024-10-14

Transformer CE certification

Transformer CE certification needs to be carried out is the European Union EMC directive, due to the need to know whether to use and...

2024-10-14

[GB 20052-2020] Power Transformer Energy Efficiency Upgrade and New Version of Certification Rules and Energy Efficiency Standards

The new version of the national standard for energy efficiency limits and energy efficiency grades of power transformers (GB 20052-2020) ...

2024-10-14

What is the process of UL certification for lamps and lanterns? What materials need to be prepared for UL certification for lamps and lanterns?

UL certification is a recognized safety certification mark in the United States and North America. Products with UL logo are equiva...

2024-10-14

[CQC11-461214-2020] Notice on Revision of Safety Certification Rules for Transformers Used in Switching Mode Power Supply

China Quality Certification Center has revised the CQC11-461214-2020 Safety Certification Rules for Switched-mode Power Supply ...

2024-10-14

IEC/EN/UL 60730-1 Series Certification Standard Update for Smart Home Products

IEC/EN/UL 60730-1IEC/EN/UL 60730-1 is suitable for automatic electrical control. Currently, hot products are smart home elect...

2024-10-14