We provide innovative graphene based materials to our customers - processed and quality ensured by GRAFREN technology. • for graphene producers - we provide service on purification of the as-synthesized material until the required quality grade. • for graphene users - we provide service on purification of graphene material from any supplier for required quality grade. • license the technology and providing the equipment for graphene materials purification and quality assurance (will be accessible since May 2020).