Prepainted steel coil, PPGI (pre-painted galvanized iron) tia sawi tlangpui chu pre-coating process kalpui tawh a ni. Hetiang kalphung hian a tawp bera a siam hmain steel chunglamah paint emaw, protective coating emaw layer a hmang a ni. Pre-coating hian steel-a durability, corrosion resistance, leh aesthetic appeal a tichak a, hei hian industry hrang hrangah duhthlanna lar tak a ni a, chung zingah chuan construction, automotive, leh manufacturing te pawh a tel.
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