1. PPGI/PPGL/coil dur wedi'i orchuddio â lliwbroses gynhyrchu
Dad-osod → Peiriant stitching → Dolen mynediad → → → Cotio cychwynnol → Pobi → Oeri → Coiling → Pobi → Embossed ffilm → Dolen allforio gorsaf arolygu → → Cut → Coiling
2. Strwythur Dur PPGI / PPGL
Metel Sylfaen, Zinc Coating, Cotio Trosi Cemegol, Primer COating, Top Coating.
3. Proses gynhyrchu coil dur Galfanedig/Galvalume(aluzinc)
Coil Dur wedi'i Rolio Oer→Decoil→Entry Looper→Pre-Treatment→Annealing Furance→Zinc pot→Tŵr Cotio →Dŵr Quanac Tank →Skin Pass→Tension Leveler→Penderfyniad →Exit Looper→Roller→Packing
