3 4 coil nails

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  • The drawing process of the waste product has a great influence on the function of the product. The general selection of about 90% of the larger total surface reduction rate (see area reduction rate) and the smaller pass surface reduction rate (about 23%), to ensure the endurance of the product. On the high strength spring steel wire, pulling should be controlled each time the temperature of the steel wire outlet is lower than 150℃, to prevent the steel wire due to strain aging and change the crack, which is the main drawback of steel wire waste.

    3 4 coil nails

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  • 2. When there are natural barriers such as canals, ponds and lakes on the side of the road, barbed rope protection nets shall not be set up in the section where there is no need to worry about people and livestock entering and illegally occupying the road land.

    3 4 coil nails

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    3 4 coil nails 3 4 coil nails

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  • 3 4 coil nails

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    3 4 coil nails 3 4 coil nails

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