Category: Spinels: Refractory Showing 1 - 12 of 12 Almatis GmbH Frankfurt Cermatco Ltd. Kent Europe Commerce Sarl Steinsel Huang He Minerals Co., Ltd (CN) Tianjin Intex Ltd. Ekaterinburg Mineralmühle Leun Rau GmbH & Co. KG Leun Motim Electrocorundum Ltd. Mosonmagyaróvár R. Hostombe Ltd. Sheffield Silkem d.o.o. Kidricevo Warwick Adriss SA Cergy-Pontoise Washington Mills Electro Minerals Corporation Niagara Falls Washington Mills Electro Minerals Ltd. Manchester