Rufin Rufin Ƙarfe na Ppgi yana nufin farantin ƙarfe mai rufi mai launi.Rufin rufin launi shine farantin karfe tare da suturar kwayoyin halitta.Mutane da yawa suna damuwa cewa rufin rufin launi zai ɓace cikin sauƙi bayan iska da yanayin rana.A gaskiya ma, fenti a waje na tayal karfe mai launi yana da tsayayya.Yana da babban ƙarfi da kyakkyawan juriya na lalata, launuka masu haske da kyakkyawan bayyanar.Tun daga 1999, kasuwar tsarin karfe ta sami ci gaba, kuma samarwa da amfani da ppgi corrugated sheet sun shiga cikin saurin girma, ya zama abu mai tasowa a cikin al'ummar yau.