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Product Name : Special Thread Coupling
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Information : Special Thread Coupling Thread Type: NEW-VAM, VAM-TOP, JFE(TENARIS), HUNTING, TP-CQ, TP-FJ, TPNF, TP-JC, TP-G2 Steel Grade: J55，K55，N80，L80-1，L80-3Cr，L80-9Cr，L80-13Cr，P110，13Cr-110 Please contact us for discussing detail requirement of special thread coupling.
Company : TIANJIN RICHSEN TECHNOLOGY CO.,LTD
TIANJIN RICHSEN TECHNOLOGY CO.,LTD
0086-18526603287
