Functional materials | 2,000+ products

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Butterfly-shaped four-claw gasket composite board fixed insulation nail lock piece inner wall calcium silicate board gypsum board anchor four-thorn piece

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Fixed Insulation Material Insulation Nails, Galvanized Copper-plated Welding Insulation Nails, Electric Factory Marine Insulation Insulation Butt Welding Nails

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