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  • In white iron, its carbon and iron phase into iron carbide, crack white, extremely strong and brittle, for the malleable steel material. Alloy grades are made up of various alloying elements with different compositions and structures. Because the alloy element in the iron can make the copper material thick strengthening degree, hardness, impact force, strength resistance, collection rate, elongation rate, so the alloy iron in the exercise of high quality iron, is an additive element.

    black aluminum window screen

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    black aluminum window screen black aluminum window screen

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  • black aluminum window screen

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    black aluminum window screen black aluminum window screen

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  • black aluminum window screen

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    black aluminum window screen black aluminum window screen

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  • black aluminum window screen

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    black aluminum window screen black aluminum window screen

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  • One idea is to choose a cage three times the size of your dog. In terms of size, the top and corners of the cage are virtually unusable space for dogs. To put it simply, the choice of cage size, the length of the cage is twice the length of the dog, should be appropriate for the dog. However, the growth of the dog must be taken into account, so the cage must be purchased according to the size of the dog as an adult.

    black aluminum window screen

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    black aluminum window screen black aluminum window screen

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  • black aluminum window screen

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    black aluminum window screen black aluminum window screen

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  • 3, PVC plastic coated barbed rope protection function is very good

    black aluminum window screen

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    black aluminum window screen black aluminum window screen

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  • black aluminum window screen

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    black aluminum window screen black aluminum window screen

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  • 2, see if solder joint is firm, net width on both sides of whether level off, the wire have broken wire phenomena (note: net length is the length of the wire), welded wire mesh of the solder joint is normal after precise voltage debugging, welding of welded wire mesh with graphite, strong, and the net width on both sides of the cutting time is according to the broken wire knife to ensure smooth on both sides, There will be no leakage cutting on both sides of the protrusion of the wire is not cut off the phenomenon, the wire is broken, because the wire is not used up even if the column hole is blocked by the wire can not enter the normal cause, such as broken phenomenon can appear on the surface of the electric welding network lack of a wire.

    black aluminum window screen

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    black aluminum window screen black aluminum window screen

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