Cov embossed Galvanized steel phenolic cua duct daim ntawv yog ib tiam tshiab evolution khoom ntawm tsoos hlau ntawv cua duct.Cov txheej txheej txheej ntawm lub rooj tsav xwm huab cua yog ua los ntawm galvanized embossed steel phaj, sab hauv txheej yog coated nrog anticorrosive txhuas ntawv ci, thiab nruab nrab yog composited nrog phenolic ua npuas ncauj.Ntxiv rau qhov zoo ntawm cov ntaub ntawv hlau cov pa cua ntawm cov rigidity zoo thiab lub zog siab, nws kuj muaj cov khoom ntawm nplaim hluav taws kub preservation, suab nqus thiab txo suab nrov.Tsis tas li ntawd, tom qab cov yeeb nkab tsim, tsis tas yuav tsum muaj kev txuag hluav taws xob theem nrab, uas kov yeej qhov tsis muaj zog ntawm cov ntawv hlau cov pa cua uas cov txheej txheem txuag hluav taws xob tau yooj yim puas, muaj lub neej ua haujlwm ntev, thiab zoo nkauj thiab dav.