Dab tsi yog hom thiab specifications ntawm U-nails?
U-shaped ntsia thawv, tseem hu ua turf rau tes, yog siv los ua kom ruaj khov turf lossis vaj tsev. Cov duab feem ntau tuaj yeem muab faib ua plaub hom: square taub hau, puag ncig lub taub hau, G-lub taub hau, thiab hooded turf rau tes; Cov ntaub ntawv muaj xws li txias rub hlau, galvanized hlau, galv ...
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