Galvanized zoo li ntawm Threaded Rod Galvanized Txhua qhov kub-dip galvanized qhov chaw yuav tsum pom qhov muag du, tsis muaj nodules, roughness, zinc pos, tev, plating, plating residual hnyav slag, thiab tsis muaj zinc nodules thiab zinc tshauv. Thickness: Rau cov khoom uas muaj thickness tsawg dua 5 hli, lub zin...
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