I-FOEN 2020 i-aluminium extrusion tslots inokwenziwa yimfuneko yabathengi.Iimilo ezahlukeneyo ze-aluminium tslots zinokuveliswa ngamaqela ethu ochwephesha kunye namasebe anezixhobo ezahlukeneyo zokuvelisa i-aluminium, oomatshini kunye nezibonelelo.