 Warbixintan ayaa sheegeysa in afar shirkadood oo laga leeyahay Swizerland oo kala ah Vitol, Trafigura, Addax ,Oryx iyo Lynx-Energy ay ka macaashaan ganacsigan iyaga oo saami ku leh shirkadaha qaybiya shidaalkan wasakhaysan. 