| 公称外径 | 根据需要（mm） | 壁厚 | 根据需要（mm） |
| 长度 | 根据需要（m） | 材质 | 根据需要 |
used for water transportation and so , we got our export experiences for 9 years ,and more than 90% of our products export to foreign countries.our market as : Northern American, West European Countries, Middle East , we hope to get mutrual benefit from you.Thank you .
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