Sinikezela uluhlu olubanzi lwezinyithi eziyintsimbi zeenxalenye zentsimbi zokugaya ezibonelela ngamandla aphezulu afanayo kuwo onke amacala. Siphose i-ductile iron, i-ADI, i-CADI, i-Ni-Resist, i-Ni-Hard, kunye ne-graphite edibeneyo, kunye ne-iron grey kunye nezinye izinto ezininzi.