行业知识
顾客至上·诚实守信·激情创造·科技突破·力求完美·追求卓越——宁夏黄河管业
|
DN |
n—M |
|
1000 |
4一M14 |
|
1200 |
4一M14 |
|
1400 |
4一M14 |
|
1600 |
8一M14 |
|
1800 |
8一M14 |
|
2000 |
8一M14 |
|
2200 |
8一M14 |
|
2400 |
8一M16 |
|
2600 |
12一M16 |
|
2800 |
12一M16 |
|
3000 |
12一M16 |
|
3500 |
12一M16 |
|
3800 |
12一M16 |
|
4000 |
12一M16 |
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