Awona mazwe aseTshayina athumela ivalvu ephambili yi-United States, iJamani, iRussia, iJapan, iUnited Kingdom, iSouth Korea, iUnited Arab Emirates, iVietnam neItali.Ngo-2020, ixabiso lokuthumela ngaphandle kwee-valve zase-China liya kuba ngaphezu kwe-US $ 16 yezigidigidi, ukuncipha malunga ne-US $ 600 m ...
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