CE Certification CE (Conformite Europene), in English, CE – European Conformity. If you want to sell your product in the European Economic Area (EEA), then it is a must to achieve CE Marking. This certification mark is important for the products to be sold in the European business market. CE Marking is a must for some products such as: https://iasiso-gulf.com/OM/ce-marking-certification-in-oman/