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Henan Depu Steel Co., LTD
WQ960E high-strength quenched and tempered steel plate
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WQ1150E introduction of quenched and tempered high-strength steel plate
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WSD690D Introduction of steel plates for hydropower pressure steel pipes
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X8Ni9 a steel plate for American standard pressure vessels
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X12CrMo5 alloy special steel with high temperature properties
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X70 Pipeline steel Introduction X70 pipeline steel cutting X70 blanking
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