Ikamva leglasi liyonyuka ngamandla kwakhona, iikhontrakthi ezili-1609 ukusukela ezantsi kwama-973 yuan/toni, ziphinde zaya mva nje ukuya phezulu kwe-1060 yuan/toni, inyuke phantse nge-9%.Kwixesha eliphakathi, nangona kunjalo, eliza le-rebound ye-1609 izivumelwano ezingapheliyo, kamva kwi-930-930 ye-yuan/toni yoluhlu lwe-oscillation ye-probability inkulu.I-sp...
Funda ngokugqithisileyo