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Stainless hlau caij nplooj ntoos hlav hlau
Stainless hlau caij nplooj ntoos hlav hlau ntawm lub pulley hlau daim duab tshuab yog dav siv nyob rau hauv ntau yam ntawm lub teb chaws kev khwv nyiaj txiag, xws li tsheb, electronics, txhua txhua hnub khoom siv, keyboards, machinery, metallurgy, lub teeb kev lag luam, thiab lwm yam kev loj hlob txhua xyoo ntawm kuv lub teb chaws lub caij nplooj ntoos hlav. khoom cim...Nyeem ntxiv
