Panel sandwih
Panel sandwich-panel 50mm guneh sing dua sing magnesium roke sing diturunan sing ngabewir faceplat, galvanized strip steel and galvanized corner corner ing cet, sing kapen karo baluh roke magnesium sing dua-suh, sing layer core binar, penting, penting, ngerti lan proses liya.
ndeleng liyane