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                                                                                Cangzhou Spiral Steel Pipes Group Co.,Ltd.

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                                                                                Black / blue 3PE anticorrosive spiral steel pipe Black / blue 3PE anticorrosive spiral steel pipe

                                                                                3PE anti-corrosion refers to the three layers of PE pipe anticorrosion structure: the first layer of epoxy powder (FBE), the second layer of adhesive (AD), the third layer of polyethylene (PE) (polyethylene color is generally black, but als......

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