Nrog rau cov kev xav tau ntawm tib neeg, ntau thiab ntau cov ntaub ntawv yog siv rau bearings, thiab bearing steel yuav siv tau, xws li steel pob, steel nplhaib thiab lwm yam.Tam sim no, Tuam Tshoj tau ua qee qhov kev sib tw hauv high-end bearing steel, uas tuaj yeem ua tus kheej txaus thiab xa tawm, uas yog ib qho kev pab rau Tuam Tshoj txoj kev loj hlob ...
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