Cangzhou Botop waxay si qoto dheer ugu lug lahayd beerta tuubooyinka birta muddo tobanaan sano ah, waxaan hadda soo saari karnaatuubo bir ah oo aan lahayndhexroorkiisu yahay 13.7mm-762mm, dhumucdiisuna tahay 2mm-80mm.TheDhuumaha birta ee ERWdhexroorkiisu waa 26.7-660mm, dhumucdiisuna waa 1.5-16mm.Intaa waxaa dheer, waxaan ku siin karnaa tuubooyinka birta ah ee aan sinnayn ee cabbirrada kala duwan ee kaydka si ay uga caawiyaan macaamiisha xalinta amarro degdeg ah oo kala duwan.
Dalabka ugu horeeya waa dhuunta birta ah ee loo diro UAE.Macaamiishu waxay dalbadaan alaabtaASTM A106 GR.B, Tilmaamaha waa 168*10.97*8000mm,33.4*6.35*8300mm iyo 33.4*4.55*8307mm.
Dalabka labaad waaDhuumaha birta ee ERWloo diray Imaaraadka Carabta.Heerka badeecadu waaASTM A53 GR.B.Baaxadda waa 219.1*8.18*12000mm, 273*9.27*12000mm.
Waqtiga boostada: Jul-31-2023