1. Ka whakakikoruatia te Coil Steel Prepainted ki te paparanga pararopi, e whakarato ana i nga taonga anti-corrosion teitei ake, me te roa ake o te oranga i tera o nga pepa rino piauau.
2. Ko nga konganuku turanga mo te Roopu maitai kua oti te pania he mea whakakikoruatia te matao, HDG electro-piauau me te wera-toku alu-konutea pani te maitai.Ko nga koti whakaoti o Prepainted Steel Coil ka taea te whakarōpūhia ki nga roopu e whai ake nei: polyester, polyesters whakarereke silicon, polyvinylidene fluoride, polyester teitei, etc.
3. Ko te tukanga whakaputa kua puta mai i te paninga-kotahi-kotahi-te-paraoa ki te paninga-rua-a-rua-te tunu, tae noa ki te toru-paninga-me-toru-parai.