I-GQ40/GQ50/GQ60 umshini wokusika i-rebar iyithuluzi elikahle lokusika.Ingasetshenziswa ukusika evamile
i-carbon steel rod, insimbi egoqiwe eshisayo, ibha ekhubazekile, insimbi eyisicaba, insimbi yesikwele kanye nensimbi ye-engeli ekucubunguleni umshini namaphrojekthi wokwakha.