Q235CH型钢工字钢滑轨 30#C 风电塔架用自备库规格全

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Tianjin city, tiantai management company limited

Address:Tsingtao industrial park, north-east tianjin city (south-west gate)
Tel:18526341888

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18526341888

Q235CH型钢 工字钢滑轨 30#C 风电塔架用 自备库规格全