Haydale Graphene Industries PLC is a United Kingdom-based company, which has developed a plasma process to functionalize graphene and other nano materials. Functionalistaion is an essential component in the commercialization of graphene. The Company’s subsidiaries include Haydale Limited, which is engaged in research and development, manufacture and sale of surface functionalized graphene products; and Nano Hex (Sales) Limited, which is engaged in sales and distribution.