Mitengo ya tungsten ufa ndi ammonium metatungstate (APT) ku China imakhalabe yokhazikika pamene kugulitsa ammonium paratungstate stocks kuchokera ku Fanya metal exchange exchanges sikukudziwikabe.

Ubale wapadziko lonse wa zachuma ndi zamalonda nawonso uli pachiwopsezo, kotero msika wonse umakhala wodikirira ndikuwona zomwe zili ndi malonda ochepa. Msika wokhazikika wa molybdenum uli ndi mitengo koma osagulitsa, mothandizidwa ndi kukwera mtengo komanso kukwera kwamalingaliro kwa ogulitsa. Kuphatikiza apo, kuyang'ana zachilengedwe zaku China kumapangitsa kuti zinthu zopangira zizikhala zolimba. Mafakitole osungunula amakhalabe otsika kwambiri pamsika wa APT wokhudzidwa ndi kufunikira kofooka komanso kuopsa kwa kusinthika kwamitengo.