Rigar kwanon rufi, wanda kuma ake kira zinariya zagaye niƙako zinariya chilean niƙa, sanannen injin niƙa ne na zinariya ga ƙanana da matsakaitan masu hakar gwal a Afirka da Amurka ta Kudu Ma'adinai. Ana amfani da shi musamman don maye gurbin ƙwallon ƙafa don cimma tasirin niƙa. Ana amfani da injin kwanon rufi da yawa a masana'antar sarrafa nauyi na gwal kuma a haɗe shi da mercury don kama zinari cikin sauri da ƙarancin saka hannun jari.
A cikin Yuli 2021, ɗaya daga cikin abokan cinikinmu na yau da kullun ɗan Sudan ya tattauna da mu kuma ya gaya mana yana buƙatar injin niƙa na zinariya don niƙa dutsen gwal. Bukatarsa ita ce samun damar ton 1 zuwa 2 a kowace awa, kuma girman fitarwa na ƙarshe shine a sami foda 100 na raga. Muna ba da shawarar da1500 gwal rigar kwanon rufi, wanda zai iya cika bukatunsa gaba daya.
A ƙarshen watan Yuli, mun gama samar da injin niƙa na zinariya kuma muka aika da injin zuwa tashar jiragen ruwa don jigilar kaya. Da fatan zai iya karɓar injin a asap kuma ya fitar da ƙarin zinariya daga dutsen!
Lokacin aikawa: 10-08-21