Izintengo ze-tungsten powder kanye ne-ammonium metatungstate (APT) e-China zigcina uzinzo lapho indali yamasheya e-ammonium paratungstate evela e-Fanya metal exchange ingakacaci.

Izibopho zezomnotho nezohwebo zamazwe ngamazwe nazo zineziyaluyalu, ngakho yonke imakethe ibambeke emoyeni wokulinda futhi ubone ngenani elilinganiselwe lokuhweba. Imakethe ye-molybdenum concentrate inamanani kodwa akukho ukuthengiswa, okusekelwa izindleko eziphezulu kanye nokukhuphuka okuqinile kwengqondo yabathengisi. ngaphezu kwalokho, ukuhlolwa kwemvelo kwamaShayina kwenza ukunikezwa kwezinto ezingavuthiwe kuqine. Izimboni ezincibilikisayo zihlala zinezinga eliphansi lokusebenza emakethe ye-APT ethintwa isidingo esibuthakathaka kanye nezingozi zokuguqulwa kwentengo.