1.What is PSE Certification in Japan PSE (Product Safety of Electrical Appliance &Materials) certification (" Suitability Inspection "in Japanese) is a mandatory market access system for Electrical appliances in Japan, and an important content stipulated in The Electrical Appliance Safety Law of Japan. The electrical supplies are divided into "specific electrical supplies" and "non-specific electrical supplies". "Specific electrical supplies" contains 116 products; "Non-specific Electrical Products" includes 341 products,technical requirements include EMC and safety. The former nameplate affixed with diamond PSE logo, the latter nameplate affixed with circular PSE logo, PSE certification fees are different for different categories of products. All products in the catalogue of "specific electrical supplies", entering the Japanese market, must pass the certification of the third party certification body authorized by the Ministry of Economy, Trade and Industry of Japan, obtain certification certificate, and paste the diamond PSE logo on the nameplate. As for the products in the category of "non-specific electrical products", entering the Japanese market, they must be confirmed to meet the technical standards of Japanese electrical products by means of self-testing and self-declaration, and the circular PSE symbol shall be affixed to the nameplate.