The quality of products is reliable and applied in importance pipeline project of West-East Gas Transmiss…
产品质量稳定，已应用于西气东输管线、忠武输气管线、土耳其输气管线等国内外重要管线工程。
The quality of products is reliable and applied in importance pipeline project of West-East Gas Transmiss…
产品质量稳定，已应用于西气东输管线、忠武输气管线、土耳其输气管线等国内外重要管线工程。
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