Cov haujlwm tseem ceeb ntawm JY468JK ntug banding tshuab suav nrog
Ua ntej milling, nplaum & nias, txiav kawg, txiav ntxhib, txiav zoo, chamfering, khawb thiab buffing. Lub khib thiab txoj kev qhia yog ua los ntawm cov khoom siv txhuas tuab, uas muaj qhov ceev siab thiab yog li ntawd ua rau kom tsis txhob deformability. Cov khoom tseem ceeb uas peb siv yog los ntawm cov npe nrov thoob ntiaj teb, ua kom ntseeg tau tias ruaj khov.