Rail karfe QU120 QU100 QU80 QU70 High quality Wear resistant

Karfe na dogo shine babban bangaren hanyar dogo. Bisa ka'idojin kasar Sin da ma'auni na ma'aikatar masana'antu ta karafa, an raba layin dogo zuwa layin dogo, na dogo masu sauki, da layin dogo da na crane. Ayyukansa shine jagorantar ƙafafun abin birgima don tafiya gaba, ɗaukar babban matsi na ƙafafun, da watsa shi ga masu barci. Dole ne dogo ya samar da ci gaba, santsi kuma mafi ƙarancin juriya ga ƙafafun. A cikin hanyar jirgin ƙasa da aka kunna ko kuma ta atomatik, ana iya amfani da layin dogo azaman kewayar waƙa. Saboda haɓakar saurin jirgin ƙasa da nauyi a lokaci ɗaya, sassan masu amfani sun gabatar da buƙatu mafi girma da haɓaka don ingantaccen aikin layin dogo, suna buƙatar hanyoyin dogo don haɓaka zuwa nauyi mai nauyi, ƙarfi, tsabta da daidaici.