Ngexesha leeholide, i-oyile ekrwada yamazwe ngamazwe yehla, i-styrene kunye ne-butadiene ivalwe ngaphantsi kwidola yaseMelika, iikowuti zabanye abavelisi be-ABS zawa, kunye neenkampani zepetrochemical okanye uluhlu lwezinto eziqokelelweyo, ezibangela iimpembelelo ze-bearish. Emva koSuku lukaMeyi, imarike ye-ABS iyonke iqhubekile nokubonisa into...
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