Since the lithium-ion battery interview, after just four years, he has faced his first crisis: more than 1 million lithium-ion batteries in the Sony County Hill factory caught fire for unknown reasons. Subsequently, it took Sony five months to persuade the Tokyo Fire Department to avoid the \"dangerous goods\" label on lithium-ion batteries. At the same time, Sony has also conducted a lot of research on the safety performance of lithium-ion batteries, and the safety test standards for lithium-ion batteries have begun to gradually improve.

Recently, with the spread of covid-19 in many eu countries, supplies such as protective masks, protective clothing and goggles have become popular in the market. As the largest producer of protective equipment in the world, Chinese enterprises have also entered a period of business explosion. Both traditional manufacturers and new manufacturers hope to take this opportunity to sell their products to the eu market. As a necessary document for the legal sale of Chinese products in the eu, CE certification has recently become the focus of the market. CE certificates issued by various certification agencies and intermediary companies dazzle Chinese enterprises. The following is an answer to all the questions about protective mask CE.