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In the hot summer, a cost-effective hanging fan can undoubtedly add a lot of comfort to our daily life. However, to choose a fan that is both practical and safe, 3C certification (China\'s mandatory product certification) has become an important reference standard. This certification is not only the guarantee of product quality, but also the protection of consumer rights and interests.

In today\'s digital age, convenient computers such as laptops, tablets and smartphones have become embedded in People\'s Daily lives. Whether for work, study or play, these devices have greatly improved our efficiency and quality of life. However, with the rapid development of technology, product safety and compliance are increasingly concerned. In order to ensure that these portable computers can safely enter the European market, CE certification is particularly important.

Massagers have become an essential tool for many people to relax and relieve fatigue. With the development of technology, the battery safety and performance of these devices have become particularly important. As an International Electrotechnical Commission Certification standard, CB certification (Certification Bodies) ensures the safety and stability of batteries during use and provides a strong guarantee for product quality.

Massagers have become a common tool for relieving stress and relaxing the body, and batteries are a central part of driving these devices. Whether in the home or in a professional massage institution, the stability and safety of the massager battery directly affects the use experience. Especially during frequent charging and discharging and transportation, it is crucial to ensure the safety of the battery. In order to ensure the safety and reliability of massager batteries during use, UN38.3 certification is a crucial standard.

In modern life, the charger has become a necessity for almost everyone\'s life. Whether it is a smart phone, a laptop or a variety of electronic devices, they are inseparable from the support of the charger. Chargers not only power devices, but also play an integral role in daily life. However, the quality and safety of chargers has a direct impact on the safety of our use and the life of our equipment, so it is essential to ensure that chargers meet national standards.

As a popular means of personal transportation, the safety and performance of the battery of the balance car is of Paramount importance. CB certification is an internationally recognized electrical product safety certification system designed to ensure that products comply with international safety standards. However, for balance car batteries with a battery capacity of more than 500WH, they may face CB certification restrictions.

As an important part of modern scientific and technological products, smart bracelets have become an indispensable small assistant in our lives. It not only provides convenient health monitoring, but also enhances the intelligent experience of daily life. However, the safety of smart band batteries has always been a major concern for users, especially during transportation. UN38.3 certification is an international safety standard set up to solve this problem.

Electric bicycles provide people with a convenient, environmentally friendly and economic way to travel in modern life, and play a positive role in improving urban traffic, reducing environmental pollution and promoting a healthy lifestyle. As the core component of electric bicycles, the quality and performance of the battery directly affect the overall performance, safety and economy of the vehicle. Therefore, choosing high-quality batteries and conducting regular testing and maintenance are important steps to ensure the safety and reliability of electric bicycles.