Izintengo ze-tungsten zase-China zibikezelwa ukuthi zizozinza ngaphambi kweholide lonyaka omusha ekupheleni kukaJanuwari.Kodwa abahlanganyeli bemakethe bayaqhubeka nokwesaba umthelela wokungaqiniseki kwezepolotiki kanye nomthelela wako ekuthuthukisweni komnotho womhlaba kanye nokulandela isidingo esibonakalayo namanani.Izimakethe ze-tungsten zomhlaba wonke kungenzeka zibuyele esimweni esihle engxenyeni yesibili ka-2020 njengoba ukunikezwa kanye nesidingo sisondela ebhalansini uma kuqhathaniswa nonyaka odlule, kodwa ukuntengantenga kwezombusazwe kanye nokungezwani kwezohwebo emnothweni omkhulu wezimboni kungakhawulela ukukhula kwesidingo.