Bahan atap logam Gi Hot Dip Galvalume Dx51d Dx52D Dx54D G60 G90 G550 S350gd ASTM A653 Z275 Koil berlapis seng Galvalume Steel Coil ((55% Aluminium-Zinc Alloy Coated Steel Coil) Apa itu aluminium-zinc ...Lihat Lebih Banyak
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Bahan atap logam Gi Hot Dip Galvalume G60 G90 G550 S350gd ASTM A653 Z275 Zinc Coated Coils Dx51d Dx52D Dx54D