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China Butt Weld Fittings manufacturer

TOBO GROUP  

TOBO International Trading(Shanghia)Co.,Ltd       Tianda Oil Pipe Co., Ltd

TOBO Pipeline Equipment Co.,Ltd        TPCO & TISCO Pipe(Tianjin)Co.,Ltd.                        

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November 9, 2021

SEAMLESS PIPE, A790 UNS S31803 ASME B36.19M, 4 INCH SCH40S

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