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聚氨酯抗震保溫管廠家

聚氨酯抗震保溫管廠家

聚氨酯直埋保溫管由整塊金屬制成的,表面上沒有接縫的鋼管,稱為聚氨酯直埋保溫管。根據(jù)生產(chǎn)方法,無縫管分熱軋管、冷軋管、冷拔管、擠壓管、頂管等。那么接下來就讓我們保溫鋼管...

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