Cov yeeb nkab steel yog ib hom ntev hollow steel, uas yog siv los ua cov raj xa dej, xws li roj, nkev, dej, roj, nkev, thiab lwm yam. Tsis tas li ntawd, thaum khoov thiab torsion kuj zoo ib yam, qhov hnyav yog lub teeb, yog li nws kuj tau siv dav. Siv nyob rau hauv kev tsim khoom ntawm mechanical qhov chaw thiab engineering qauv. Nws kuj yog siv los tsim ntau hom riam phom, phom, plhaub, thiab lwm yam. Kwv yees qhov sib txawv ntawm welded thiab seamless kav yog raws li nram no:
| Padrão | Grau | rau txoj kab uas hla | phab ntsa thickness |
| API 5L | UMA | 219.1-457 Ib | ntxiv rau 15 feem pua , -12.5 feem pua |
| B. | 508-610 : kuv | ntxiv rau 17.5 feem pua , -12.5 feem pua | |
| X42-X80 | 508-610 : kuv | ntxiv rau 19.5 feem pua , -8 feem pua |
1. Central bank?
(1) qauv: 2 - 3 hnub.
(2) batch kom muaj nuj nqis: 5 - 7 hnub.
3. moq yog dab tsi?
Feem ntau qhov loj me: Ntau dua lossis sib npaug rau 1 daim.
3. Txoj kev them nyiaj:
(1) Atlanta tshav dav hlau
(2) Western Education alliance: me lossis tus kws qhia ntawv thov.
(3) babel: rau kev txiav txim me me, tau txais sai
4. Pob thiab shipping:
Pacquiat: Madeira Cathedral (magnatic rwb thaiv tsev ntawm ntoo board)
(1) courier (dhl, fedex, tnt, ups): qhov rooj-rau-qhov rooj, txiav tawm lub sijhawm nkag, 3 - 5 hnub.
(2) los ntawm huab cua: txiav tawm ib ntus, 3 - 7 hnub.
(3) poma: balato ib puag ncig tus nqi, 7 - 35 hnub.
Cim npe nrov: seamless raj, tus neeg muag khoom, customized, lag luam wholesale, pheej yig, luv nqi, daim ntawv teev npe, tus nqi qis, hauv Tshuag, dawb qauv
