NUG

Tantalum Ntawv Nyiaj / Sawb muaj cov yas zoo. Nws tuaj yeem ua tiav los ntawm txias forging, dov, xuas nrig ntaus, rub, spinning, extrusion, dabtsi yog khoov thiab lwm yam txheej txheem.

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Tsev

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Txog Peb

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