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1 roofing nails coil

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1 roofing nails coil 1 roofing nails coil

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  • 1 roofing nails coil

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    1 roofing nails coil 1 roofing nails coil

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  • 1 roofing nails coil

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    1 roofing nails coil 1 roofing nails coil

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  • barbed

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    1 roofing nails coil 1 roofing nails coil

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  • 3. Quality test report

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    1 roofing nails coil 1 roofing nails coil

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  • Carbon spring steel wire is made of high carbon and high quality carbon structural steel or carbon tool steel wire rod, and its chemical composition, gas content and non-metallic inclusion must be strictly controlled according to the use of the spring. In order to reduce the surface defects and decarbonization layer, the billet produced wire rod should be ground on the surface and peeled when necessary.

    1 roofing nails coil

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  • 5, according to the wire diameter thickness to adjust zinc dipping time

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    1 roofing nails coil 1 roofing nails coil

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  • 1 roofing nails coil

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  • The surface of the galvanized wire deposition layer before galvanized to remove the surface film layer, surface inclusion and other defects to the local, can be found and treated by conventional technology. Excess foam is caused by soaps and saponable fatty surfactants being brought into the tank. Moderate foam formation rates may be harmless.

    1 roofing nails coil

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    1 roofing nails coil 1 roofing nails coil

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