CZ purlin txoj kev tshuab tuaj yeem tsim nrog Z, uas yog CZ purlin txoj kev tshuab, nrog ntau qhov sib txawv ntawm 100-300mm, peb txheej ntawm xuas nrig ntaus, thiab cov khoom siv raw thickness ntawm 1.5-3.0mm, uas yog raws li qhov xav tau ntawm cov purlins sib txawv ntawm market.or tsuas yog C purlin tshuab los ntawm 3 nti mus rau 10 nti, los yog punch qhov los yog dab tsi thickness ntawm raw khoom.