Yog tias koj xaiv trivalent chromium passivation, tus nqi yog 20-50 US duas kim dua hexavalent chromium passivation.
Movie los tsis yog movie
Qhov saum npoo ntawm galvanized coil tuaj yeem npog nrog cov yas zaj duab xis kom zoo dua tiv thaiv qhov chaw spangle. Tiv thaiv qhov chaw los ntawm khawb thaum thauj, shingling lossis reworking. Cov zaj duab xis yog ib qho yooj yim los rhuav tshem tom qab ua tiav.
Peb muaj cov yeeb yaj kiab hauv ntau qhov tuab, 40/50/70/80 microns. Tsis tsuas yog siv rau galvanizing, tab sis kuj siv rau cov xim coated coils. Tus nqi nce hauv cov kauj ruam, nrog qhov nruab nrab nce ntawm 10-20 US dollars ib tuj.
Cim npe nrov: galvanized ua kauj, Tuam Tshoj, lwm tus neeg, manufacturers, hoobkas, yuav, nqe, pricelist, kev muag, Tshuag, dawb qauv
