Ống khoan ủ tôi có đường kính BQ NQ HQ PQ và độ giãn dài ≥17%

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August 22, 2023
Keyword: Dây khoan dây
Video Description:
Discover the high-performance Quenching Tempering Drill Pipe with BQ, NQ, HQ, and PQ diameters, featuring ≥17% elongation and HRC28 hardness. Ideal for mining and drilling, this durable rod offers superior strength and reliability.