WKC - Army Technology
WKC Manufactures Sword for the Duke of Edinburgh. WKC manufactured the ceremonial sword for the Duke of Edinburgh, His Royal Highness Prince Philip. Since 1883, Weyersberg, Kirschbaum & Co. (WKC), has been manufacturing military swords and cutlery in Solingen, Germany. Today, as the oldest and largest military sword manufacturer in. 25 March 2008.