Tianjin Boyutong International Trade Co. Ltd.

spiral pipe(1)
steel pipe manufactu(1)

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spiral steel pipe
Specification: 219-3000mm spiral steel pipe
Detail: OD219-3000mm, WT5-30mm spiral steel pipe, material grade API Gr B, ASTM Gr B, X42, X46, X52, X56, X60, J55, etc.

erw steel pipe
Specification: 48-273mm ERW steel pipe
Detail: OD48-273mm,WT 3-14mm ERW steel pipe, material grade Q235B, Q345B, ASTM A252 B, X42, X46, X60, J55, etc.


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