PPGI ndi chidule cha chitsulo chopaka utoto chopangidwa kale, chimagwiritsa ntchito malata ngati gawo lapansi.Pambuyo pa pretreatment (mankhwala degreasing ndi mankhwala kutembenuka mankhwala), pamwamba yokutidwa ndi wosanjikiza kapena angapo zigawo zokutira, kupyolera kuphika ndi kuchiritsa.
PPGL ndi koyilo yachitsulo yopangidwa ndi galvalume.Zida zoyambira ndi galvanized/aluzinc koyilo.
The utoto filimu kuti tikhoza kuchita 10-30microns.Kukwera kwa filimu ya utoto, kumakhala moyo wautali wautumiki wa mtunduwo.
Zojambulajambula ndi PE, SMP, HDP, PVDF, ects.