STC provides professional and reliable PSE Mark certification services for both Category A and Category B items according to MEIT and the Electrical Appliances & Materials Safety Law. With our one-stop PSE Mark certification services, STC strives to support manufacturers and importers tap into the Japanese market, enhance brand image and product competitiveness in today’s constantly evolving business landscape.

Specified Electrical Appliances & Materials’ (Category A) Mandatory*

• The 116 items that are under the ‘Specified Electrical Appliances & Materials’ (Category A) are particularly likely to cause potential hazards due to their structures, materials and or usage. Items must receive mandatory conformity assessment by authorized assessment bodies to obtain PSE Mark certification before the product could be sold, manufactured, or imported into Japan.

Non-Specified Electrical Appliances & Materials ‘(Category B) 

• The 341 items that are under the ‘Non-Specified Electrical Appliances’ (Category B) may also obtain PSE Mark certification. Manufactures and importers of Category B items who wish to have their product types approved according to MEIT under the Electrical Appliances & Materials Safety Law may submit testing and inspection reports and makes self-declaration to obtain PSE Mark certification. 
• If you have any further question, please feel free contact us or visit our website: https://www.stc.group/en/contact