A: Yawanci, lokacin narkewar zinari, zaku iya tsammanin asarar kusan 0.1 - 1%. Wannan asara, wanda aka sani da "rashin narkewa," yana faruwa ne musamman saboda ƙazanta da ke ƙonewa yayin aikin narkewar. Misali, idan akwai wasu ƙananan karafa da aka haɗa tare da gwanayen gwal ko ƙasa, za a cire su yayin da zinarin ya kai ga narkewa. Har ila yau, ana iya rasa ɗan ƙaramin gwal ta hanyar tururi a yanayin zafi mai zafi, kodayake an ƙera kayan narkewa na zamani don rage wannan. Duk da haka, ainihin adadin asarar zai iya bambanta dangane da tsarki na zinariya na farko, hanyar narkewa da aka yi amfani da shi, da kuma ingancin kayan aiki. Ta hanyar narkewa, ana bi da shi azaman asarar sifili.
Shenzhen Hasung Precious Metals Equipment Technology Co., Ltd. wani kamfani ne na injiniyan injiniya da ke kudancin kasar Sin, a cikin birni mai kyau da kuma mafi saurin bunkasar tattalin arziki, Shenzhen. Kamfanin shine jagorar fasaha a fannin dumama da kayan aikin simintin gyare-gyare don karafa masu daraja da sababbin masana'antu.
Ƙarfin iliminmu a cikin fasahar simintin gyare-gyare yana ƙara ba mu damar yin hidima ga abokan cinikin masana'antu don jefa ƙarfe mai ƙarfi, babban injin da ake buƙata platinum-rhodium gami, zinariya da azurfa, da dai sauransu.