Hydrostatic Test High Frequency Welded Pipe Water Engineering ERW Steel Pipe The high frequency welding thermal process of ERW steel tube results in the gradient of temperature distribution near the edge of the ... Read More
Certificated A53 Agricultural Irrigation Water Engineering ERW Steel Pipe The welding is pressure bonding rather than molten welding. Compared with molten welding, the welding heat affected area is relatively ... Read More
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Luox Hebei Synda International Trade Co.,Ltd
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