double-sided buried arc spiral steel pipe(China double-sided buried arc spiral steel pipe Manufacturer) - Competitive double-sided buried arc spiral steel pipe Company from China::MYPU.NET

tianjin jinghai

[ Manufacturer Trader ]Main business are Double-sided buried arc spiral steel pipe

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2011-11-30

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tianjin jinghai

[ Manufacturer Trader ]Main business are Steel pipe

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2011-11-30

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hebei cangzhou

[ Manufacturer Trader ]Main business are Steel tube

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2011-11-30

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tianjin beichen

[ Trader ]Main business are Seamless steel pipe

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2011-11-30

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