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專業生產銷售大口徑厚壁國標螺旋鋼管，廠內加工防腐/保溫/涂塑

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聚乙烯聚氨酯保溫鋼管

聚乙烯聚氨酯保溫鋼管

聚氨酯保溫管以高功能聚醚多元醇組合料和多次甲基多多異為原料經化學反應發泡而成。聚氨酯保溫管具有容重輕、強度高、絕熱、隔音、阻燃、耐寒、防腐、不吸水、施工簡便快捷等優異...

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