Brazil cov neeg siv khoom xaj tsis tsim cov ntsia hlau txheem, xa tawm hnub no
Khoom siv: AISI4140
Qhov loj me: Raws li kev kos duab
Kev Ua: Cov ntaub ntawv nyoos, Kev Xa mus, Kev kho thaum tshav kub kub, Ua kom zoo nkauj, Hlau txiav, nitriding, Ntim thiab xa tawm
Kev kho cua sov: Quenching lossis tempering
Kev pabcuam: OEM ODM
Daim ntawv pov thawj: ISO SGS
Packing: raws li cov neeg siv khoom thov
