Rubutun masana'anta na Royal Sabis na Kungiyar Royal Samfurin Binciken Samfurin -rogy Royal Group Stash Karfe bututun bututu Bakin karfe Cloill Karfe Coil Karfe Coil Hot mai haske Waya Rod Isar Karfe coil samarwa tsari Galvanized baƙin ƙarfe jari Galvanized Karfe takardar Ppgi Baƙin ƙarfe Makarantar samarwa na karfe HR Carbon Karfe Bayani - rukunin sarauta Isar da bututun ƙarfe - ƙungiyar sarauta Hukumar Jirgin ruwa mai zafi - Groupungiyar sarauta
