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1. The structure used for seamless steel pipe: GB/T8162-2008 Standard: GB/T8162-2008 USES: used in the manufacture of pipes, containers, equipment, pipe fittings and steel structure.
We deal with steel almost every day, but are you really clear about the classification of steel? How did steel come from? The main raw
The galvanized flat steel is rolled with negative deviation, but it is delivered according to the actual weight, and the utilization rate is increased by
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