304不锈钢槽钢工字钢建筑工程使用房顶横梁友发

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304 stainless steel tank steel, steel work, construction works, roof beams, amigos

Tianjin friend steel products ltd

Address:Zinghai, tianjin city
Tel:13516192117

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304不锈钢槽钢 工字钢 建筑工程使用 房顶横梁 友发