Coil Caij nplooj ntoos hlav
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Tuam Tshoj Chaw tsim khoom 55CrSI 60Si2Mn Steel khoom
Lub caij nplooj ntoos hlav coil ua los ntawm Max Auto feem ntau yog siv cov khoom siv 60Si2Mn, 60Si2MnA, 55CrSiA, SAE9254, peb muaj lub caij nplooj ntoos hlav steel hlau, uas ua rau peb cov nqi qis dua cov neeg sib tw.
