
Ana kera masu wankin lebur daga abubuwa daban-daban, kowanne an zaɓa don biyan takamaiman buƙatun aiki. Ƙarfe mai laushi abu ne da aka saba amfani dashi don aikace-aikace na gaba ɗaya.
Ana yin wankin bazara galibi daga kayan inganci masu inganci don tabbatar da ingantaccen aiki da dorewa. Carbon karfe abu ne da ake amfani da shi sosai, sau da yawa a cikin maki kamar 65Mn ko 70, wanda zai iya zama zafi - ana kula da shi don haɓaka ƙarfinsa da juriyar gajiya.
Hebei Fujinrui Metal Products Co., Ltd an kafa shi a cikin 2004 kuma yana cikin garin Handan, lardin Hebei. Kamfanin yana da fadin murabba'in mita 10,000 kuma yana da ma'aikata sama da 200. Yana da wani sha'anin hada fastener samfurin samar da karfe surface lalata kariya, tare da balagagge samar da fasaha tawagar. Fiye da shekaru 20 na gwaninta a cikin masana'antar fastener.