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OD:177.80mm WT:6.91-13.72mm Grade: H40 J55 K55 M65 L80 R95 N80 C90 T95 C110 P110 Q125; Type of end finish:S/L/B; Length:R1 R2 R3 PPF:20.00-57.10
BackHengyang Valin Steel Tube Co., Ltd.
Registered Address:China HuNan
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