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Manager： Zhi xudong
Mobile： 13935026480
Phone： 86 0350 6055368
Fax： 86 0350 6082081
Address：Industrial Park of Cuijiazhuang, Dinxiang County, Shanxi province, China
Staff ：
在 线 客 服：
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| e Reference Standard |
| The following standards contain provisions, through reference in this standard, constitute provisions of this standard. Time of publication of this standard, as shown in versions are valid. All standards will be revised, using the standard parties should explore the use of the latest version of the possibility of the following criteria. GB / T 9112-2000 Steel Pipe Flange type and parameters GB / T 9124-2000 Steel Pipe Flanges and technical conditions |
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