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Yuelong town,Ninghe,Tianjin,China China
联系人 Ms. Hongyuan Liu
办公地址 Yuelong town, Ninghe, Tianjin
Round steel pipe: O.D:350-1220mm thickness:8-40mm standard:GB/T3091-2008, GB/T9711.1-1997 , API5L
square tube and recanguar tube: size:â250*250-600*600mm square tube â â â
1. Min Order : 10 tons 2.Size :250*250-600*600mm 3. Thickness: 7mm -- 20mm 4.Certification: ISO & API
1. Min Order : 10 tons 2.Size :250-600mm 3. Thickness: 7mm -- 20mm 4.Technique:ERW 5.Certification: ISO
Round steel pipe: O.D:350-1220mm thickness:8-40mm standard:GB/T3091-2008, GB/T9711.1-1997 , API5L length:6
steel pipe: Min Order : 20 tons 2.Size :351-1220mm 3. Thickness: 7mm -- 40mm 4.Certification: ISO &
1. Min Order : 10 tons 2.Size :351-1220mm 3. Thickness: 7mm -- 40mm 4.Certification: ISO & API &S
steel pipe; Min Order : 10 tons 2.Size :351-1220mm 3. Thickness: 7mm -- 40mm 4.Certification: ISO &
. Min Order : 20 tons 2.Size :250*250-500*500mm 3. Thickness: 7mm -- 20mm 4.Certification: ISO & API
1. Min Order : 10 tons 2.Size :351-1220mm 3. Thickness: 7mm -- 40mm 4.Certification: ISO & API 5.Te
1.Min Order : 10 tons 2.Size :250-600mm 3. Thickness: 7mm -- 20mm 4.Certification: ISO & API&SGS
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