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Product Name : API 5L Grade B seamless steel pipe manufacturers
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Information : Product name: API 5L Grade B seamless steel pipe manufacturers 1.Specification: OD: 33.4-1020mm WT: 2.5-80mm Length: 5.8m, 6m etc. 2.Standard&Material: Standard: API 5L Material: API 5L Grade B 3.Coating: Oiled, painted,
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