Wannan ƙayyadaddun ya ƙunshi tarin bututun bututun ƙarfe na bangon maras tushe kuma ya shafi tarin bututun da karfen Silinda ke aiki azaman memba mai ɗaukar kaya na dindindin, ko azaman harsashi don samar da simintin siminti-in-wuri.
Cangzhou Karfe Karfe bututu Group co., Ltd kayayyaki welded bututu for piling aikin aikace-aikace a diamita daga 219mm zuwa 3500mm, da kuma guda tsawon har zuwa 35 mita.