Air purifiers, with their ability to remove pollutants such as particulates and formaldehyde, are suitable for various household and commercial scenarios and are a popular category of environmentally friendly household appliances for export to the European Union. To enter the markets of the 27 member states of the European Union, these air purifiers must obtain CE certification. The CE certification is a mandatory entry system in the EU, integrating multiple requirements such as electrical safety, electromagnetic compatibility, and environmental protection. It is a universal certificate for the legal customs clearance and market entry sales of air purifiers. Failure to obtain certification or proper labeling will result in risks such as customs detention, fines, and market withdrawal.

The charger, as a core electronic component for cross-border export to the UK, is compatible with various digital devices such as mobile phones and tablets. With its wide power range, portability, and strong adaptability, it has consistently occupied the essential position in the UK\'s electronic accessory market. Since the Brexit, the UKCA certification has fully replaced the CE certification and has become the mandatory entry certificate for chargers to the UK (England, Wales, Scotland) market. It is implemented by the British government and differs from the EU CE regional certification. The core focuses on electrical safety, electromagnetic compatibility, and environmental compliance. Products that fail the certification cannot be cleared through customs and will face detention, fines, and market withdrawal risks.

Label printers, as the core equipment in office and commercial scenarios, have advantages such as portability, dual-mode compatibility (wired and wireless), and precise printing. They are popular office consumables for cross-border export to the United States. To successfully enter the US market, FCC certification is an indispensable legal mandatory entry threshold. It is led and implemented by the US Federal Communications Commission (FCC), focusing on the electromagnetic compatibility of the equipment. Label printers must legally pass the US customs and be sold and circulated within the country to obtain the core certificate. Failure to obtain certification will directly result in goods being detained, fines, and inability to conduct legal operations.

Thanks to its core advantages of wireless control, high-altitude aerial photography, and low-altitude operations, unmanned aerial vehicles (UAVs) are widely used in aerial mapping, outdoor exploration, and other fields. They are popular technology products for cross-border export to Canada. To enter the Canadian market, they must obtain the ISED certification - a mandatory entry certification led by the Department of Innovation, Science and Economic Development of Canada, which was formerly known as the IC certification. The core regulation is about the wireless radio frequency performance and electromagnetic compatibility of UAVs. It is a necessary certificate for the legal customs clearance and market entry sales of UAVs. Without certification, there will be risks such as goods seizure, fines, and even product recall.

The makeup mirror battery is characterized by its small size, low power consumption, and portability. It is the core energy storage component of portable makeup mirrors in the beauty category and is widely used in portable lighting makeup mirrors and smart makeup mirror products for cross-border exports. To efficiently expand the global market in multiple countries, obtaining CB certification is a crucial compliance document. As an international safety mutual recognition system launched by IECEE, its core value lies in \"one certification, multiple country recognition\", which can significantly reduce the compliance costs for the export of makeup mirror batteries to multiple countries. Without passing the CB certification, it will be difficult to quickly connect with the local certification of the target country, affecting the efficiency of foreign trade shipments.

The 21700 cylindrical battery (with a diameter of 21mm and a length of 70mm) boasts core advantages such as high capacity, high discharge rate, and long cycle life. It is the core power supply component for exporting energy storage equipment, power tools, outdoor power supplies, etc. to the European Union, and is also a popular category in the EU energy storage accessory market. For the export of this type of battery to the EU, the CE certification is an unbreakable legal entry threshold. Unlike CB certification, which focuses on international mutual recognition, and UN38.3, which focuses on transportation safety, CE certification is a mandatory safety certification formulated by the EU for products entering its single market. The core is to ensure that the products comply with the relevant EU directives. Products without the CE mark or not certified cannot pass the EU customs inspection and cannot be legally sold within the EU.

The 21700 cylindrical battery (with a diameter of 21mm and a length of 70mm) has become a core power supply component for cross-border export of energy storage equipment, power tools, and outdoor power supplies, and is exported to many countries and regions around the world. For such battery export enterprises, the CB certification is the \"universal key\" to enter the global market. Unlike UN38.3 which focuses on transportation safety and CCC which emphasizes domestic circulation compliance, the CB certification is an international safety mutual recognition system launched by IECEE (International Electrotechnical Commission Electrotechnical Product Certification and Testing Organization). Its core value is to achieve \"one-time certification, multi-country mutual recognition\", significantly reducing the compliance costs for cross-border exports and improving the shipment efficiency.

The 21700 cylindrical battery (with a diameter of 21mm and a length of 70mm) enjoys core advantages such as high capacity, high rate, and long cycle life. It is widely used in energy storage devices, power tools, and outdoor power supplies for cross-border exports. It is a popular category of export energy storage accessories. For the export of such batteries, UN38.3 certification serves as the \"passport\" for cross-border transportation. Unlike the CCC certification in China, which focuses on market circulation compliance, UN38.3 is a mandatory requirement set by the United Nations for lithium battery transportation safety, focusing on controlling the safety risks during battery transportation. Unapproved 21700 cylindrical batteries cannot pass international logistics (shipping by sea or air) and directly affect the shipping efficiency of foreign trade.