yx38 purlin-pg娱乐电子游戏

yx38 purlin

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knboyx38 aluminized and zinc-coated light steel purlin (150g/m_aluminized and zinc-coated) can be used in a variety of structural modes. can be used as roofing

purlin and ceiling keel are also used in light structure of wall and roof.

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yx38几字型檩条3.jpg


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