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I-China Yuantaiderun Black Hollow Section Spiral Steel ...
Ityhubhu ye-OCTG ye-ERW OCTG
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Umbhobho weSilimela seNsimbi i-Smls Api 5L X42/X46/X60/X70
Ityhubhu ye-Tianjin carbon steel API 5L spiral
Umbhobho omkhulu wentsimbi ejikelezayo i-Q235B intsimbi ejikelezayo ...
I-q345d 16mn enkulu enobubanzi obukhulu bedonga elingqindilili eliyi-spiral p ...
Umthengisi wepayipi yentsimbi ejikelezileyo ethengiswa ngexabiso eliphantsi kakhulu ...
idiphu eshushu eshushu eyenziwe ngesinyithi esijikelezileyo somenzi wepayipi yentsimbi yua ...
ityhubhu yentsimbi ejikelezileyo eshushu egalelweyo
ERW steel ityhubhu umzi-mveliso China yuantaiderun(ingaba oem od...

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Ababoneleli beCoil yeSteel eShushu eRoliwe
Umenzi weNsimbi waseTshayina Ixabiso lekhoyili eqengqelekayo eshushu
I-ASTM A36 Ss400 Q235 Q345 St37 S235jr S355jr Ikhoyili yentsimbi yekhabhoni eqengqelekayo eshushu ephantsi

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