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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October 20, 2021

TEE CARBON STEEL ASTM A 420 GR WPL6 ASME B16.9 STANDARD BUTTWELDING ENDS ASME B16.25. 8IN SCH40 TE-46-8S40

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