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20#/GB6479 | 133X10 | 5100 |
20#/GB6479 | 140X4.5 | 5000 |
20#/GB6479 | 140X5 | 5000 |
20#/GB6479 | 140X5.5 | 5000 |
20#/GB6479 | 140X6 | 5000 |
20#/GB6479 | 140X8 | 5000 |
20#/GB6479 | 140X10 | 5050 |
主營(yíng)業(yè)務(wù):精密鋼管,冷拔鋼管,合金鋼管,不銹鋼管,高壓鍋爐管
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