Txoj kab uas hla yog 20mm-610mm Kub dov carbon steel round pas nrig

Lus piav qhia luv luv:

Cold drawn round steel muaj qhov chaw du, siab qhov tseeb, thiab cov khoom siv tshuab siab.Vim nws qhov siab qhov tseeb, nws tuaj yeem siv ncaj qha yam tsis muaj kev ua haujlwm.Kev siv cov khoom lag luam: cov cuab yeej kho vajtse, cov khoom siv tsheb, cov khoom siv hluav taws xob, cov khoom sib txuas, cov shafts zoo tib yam, kev tsim kho tshuab, lub teeb kev lag luam, kho vajtse, cov khoom siv, tsheb kauj vab, tsheb, maus taus, textile machinery, transformers thiab lwm yam kev lag luam.