Tuubooyinka birta ah ee aan kala go 'lahaynASTM A335 P11, ASTM A335 P22, ASTM A335 P91 oo loo dhoofiyay wadamada Koonfurta Ameerika markan dhammaantood waxay ka yimaadeen warshadaha birta ee maxalliga ah ee caanka ah, TPCO, SSTC, iyo HYST.

Warshadda iskaashatada ee shirkaddu waxay kaydisaa 6,000 oo tan oo tuubooyin bir ah oo aan kala go 'lahayn sanadka oo dhan, inta badantuubooyinka kuleyliyaha, ASTM A335 P5, P9, P11, P22, P91, iwm. Sannadihii ugu dambeeyay, kaydka alaabtayada iskaashatada ah ayaa ballaartay ilaatuubooyinka birta kaarboon, tuubooyin laba jibbaaran iyo afargeesle ah, iyotuubooyin bir ah oo aan lahaynAlaab-qeybiyeyaasha aan la shaqeyno waxay bixin karaan alaab qiimo jaban iyo qiimaha ugu macquulsan si loo daboolo baahiyaha noocyada kala duwan ee dalabaadka, laga bilaabo tuubo bir ah oo yar ilaa kumanaan tan oo tuubooyin bir ah, dalabaadka kaydka, dalabaadka injineernimada, iyo dalabaadka ganacsiga. Waxaan bixin karnaa adeeg hal joogsi ah. Ku soo dhawoow iibsashada.