Duk hannun riga na tagulla na injin latsa QIAOSEN an yi su da tin phosphorus bronze ZQSn10-1, kuma masana'antun gabaɗaya suna amfani da BC6 (ZQSn 6-6-3) kayan jan karfe.
Abũbuwan amfãni: Ƙarfin ya ninka sau 1.5 sama da jan karfe na BC6 na yau da kullun, tare da babban ƙarfi, ƙarancin lalacewa, da tsayin daidaiton lokacin riƙewa.
Lokacin aikawa: Afrilu-23-2023