Prepainted Galvanized Corrugated Sheet Metal Roofing Steel ...
The corrugated galvanized steel roofing is made of galvanized steel coil and processed by a roll forming machine. According to the difference of galvanizing it is divided into big spangle and zero spangles. According to the production method it can be divided into hot-dip galvanized steel electro-galvanized steel and alloy-galvanized steel.
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