1. Ukuqwalasela - Iiphaneli ze-aluminiyam ezihlanganisiweyo azinayo i-ripples, i-bubblings, i-scratches kunye ne-smooth ebusweni zisemgangathweni olungileyo.
2. Ukulinganisa - Ukulinganisa imathiriyeli ehlanganisiweyo yealuminiyam (cm) ukuba iyahlangabezana neemfuno zamazwe ngamazwe, kunye nepaneli yodonga lwangaphakathi kwi-3mm, ipaneli yodonga lwangaphandle kwi-4mm okanye ngaphezulu, kunye nobukhulu besikhumba se-aluminium kwi-0.5mm.
3. Ukugoba - Ukuba yophuka ngokulula ayingondoqo we-polyethylene okanye eyenziwe ngondoqo wepolyethylene womgunyathi.

4. Ukutshisa - Eyona nto iphambili ye-polyethylene inokutshiswa ibe luthuthu. Nangona kunjalo, i-tere iya kuba bubumdaka obushiyekileyo kwi-poltethylene core fake.
5.I-Slotting - Xa usika i-grooves, khangela ukuba umphezulu uphukile.
6.I-Chemical reaction - I-Butanone ingasetyenziselwa ukuvavanya i-fluorocarbon coating kwiphaneli yodonga lwangaphandle. Beka i-xylene phezu komhlaba, emva kwemizuzu emi-5, sula kwaye ukhangele ukuba kukho inyibilikile.
7. Ukucela - Cela umthengisi ukuba anike ingxelo yokuhlolwa komgangatho womenzi, incwadi yewaranti, isiqinisekiso somgangatho wamazwe ngamazwe we-ISO-9002 njl. Banokuqinisekisa umgangatho weepaneli.
