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China TOBO STEEL GROUP CHINA certification
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In the latest vendor rating, TOBO won the excellent rating, it is good, will continue to cooperate.

—— Brazil---Aimee

ASTM A213 T9 Alloy steel pipe ,Stable quality , good price, excellent serive, TOBO GROUP is our trustworthy partner

—— Thailand ---Dave Mulroy

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zinc coated seamless round steel pipe online manufacture

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Q215B Carbon Steel Seamless Hot Dip Galvanized Round Silver Tube DN150 Sch60 Quick Details Standard: JIS, ASTM, API, GB Standard2: JIS G3445-2006, ASTM A106-2006, API 5CT, API 5L, GB/T 9711.3-2005 Grade Group: ... Read More
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40x40mm hot dipped Galvanized Round square tube 4x4 inch galvanized square steel pipe GI tube COMMODITY NAME Square and Rectangular Hollow Section Welded Steel Pipe SIZE RANGE DIAMETER: 20x20MM-600x600MM ; ... Read More
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API 5L GR.B 3LPE SEAMLESS COATING PIPE 168.28 X 7.11 MM Quick Details Thickness 1.8 - 22 mm Section Shape Round Outer Diameter 21.3 - 660 mm Place of Origin China (Mainland) Certification API Surface Treatment ... Read More
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COATING 3 PP ACCORDING DIN 30678 SEAMLESS PIPE API SPEC 5L GRADE X 52 PSL1 Quick Details Thickness 1.8 - 22 mm Section Shape Round Outer Diameter 21.3 - 660 mm Place of Origin China (Mainland) Certification API ... Read More
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