Karfe da aka fadadaana kuma kiransa daidaitaccen ragar lu'u-lu'u.Yana amfani da high quality low-carbon karfe, aluminum,bakin karfe, titanium,aluminum, nickel ya naushi cikin samfuran raga na karfe.

Kauri: 0.4mm zuwa 8.0mm Girman rami: 8, 10, 2 x16mm x20mm x25mm.

Faɗaɗɗen yana da ƙarfi kuma mai dorewa, kyakkyawa a bayyanar, kuma ana amfani dashi sosai a cikin masu magana, masu tacewa, gini, faɗaɗa gadoji na ƙarfe, dandamali na feda da kayan aikin injiniya daban-daban don kariya da aminci.

Fadada karafa da aka yi amfani da shi a manyan ayyuka kamar manyan gine-gine, gidajen jama'a, tarurrukan karawa juna sani da dai sauransu, sabon kayan gini ne na karfe na zamani.Karfe ragar dace da gini, kariya, samun iska, kadaici da sauran ayyuka.

Thekarafa ragakayayyakin da masana'anta Dongjie ke samarwa suna da tsarin raga mai ƙarfi, tsawon rayuwar sabis, da fa'idodin amfani.Ana amfani da su galibi don kariya ta kayan aikin injiniya, masana'antar hannu, manyan hatimi, shingen gidan yanar gizo na babbar hanya, shinge, filayen wasa, tarunn kariya na hanya, da sauransu. Hakanan ana iya amfani dashi a masana'antar gini, manyan hanyoyi da gadoji azaman sandunan ƙarfe.

Hakanan za'a iya amfani da shi don dandamalin haƙon mai, dandamalin jirgin ruwa, dandamalin aiki, hannaye, sassa, rufin capsule, dandamalin kulawa, gadoji masu tafiya, grid na jirgin ruwa na jirgin ruwa, fedals (faranti).Tashoshi, corridors, na musamman anti-skid faɗaɗa farantin da sauran musamman karfe dandali goyon bayan karfe, rufin karfe da kuma karfe tarun ga gine gine.