Rau qhov tshwj xeeb ntawm galvanized hlau, galvanized hlau uas tsim los ntawm peb lub Hoobkas tuaj yeem nyob ntawm No.8 mus rau No.22, uas yog hais txog BWG tus qauv, uas yog, los ntawm 4mm mus rau 0.7mm, uas tuaj yeem npog cov yam xav tau los ntawm tus neeg siv khoom.Raws li rau raw khoom ntawm galvanized hlau, feem ntau ...
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