Xaiv cov khoom siv hlau zoo xws li Shougang thiab Anshan Hlau thiab Hlau, los ntawm 19 txheej txheem, kev lag luam siab, Cov khoom siv zoo nkauj thiab cov khoom siv zoo nkauj, ntau txhiab lub sij hawm quenching thiab molding, tsis muaj impurities, zoo.
High precision, seamless seam;muaj zog rigidity, hloov tau los ua ke;av qeeg muaj zog, tsis muaj Deformed.