Flangejmaismaras kyauskarfemetal m corrugatedhaikifor pkiraline. A cikin masana'anta na bututun ƙarfe, mafi mahimmancin ɓangaren ƙarfe shine bellows na ƙarfe. Sabili da haka, tsananin kulawa da duk abubuwan samar da bellow shine muhimmin garanti na ingancin samfur.

Dangane da buƙatun tsayin raƙuman ruwa daban-daban, nisan raƙuman ruwa da sauran bayanan don aiwatar da samarwa, samar da bellows.

Taruwa, walda shine maɓalli mai mahimmanci ga gyare-gyaren samfur, don samun fasaha mai ƙarfi da hali.

Za a gwada kowane samfurin kafin jigilar kaya, kuma koyaushe ana bin inganci.