Hollow phaj tseem hu ua pp yas hollow phaj, ob chav phab ntsa board thiab Vantone board, cov khoom no yog ua los ntawm polypropylene yog ib tug multi-functional phaj, nws muaj cov yam ntxwv ntawm lub teeb yuag, molecular qauv stability, thiab lwm yam., nyob rau hauv tus txheej txheem ntawm kev siv. tuaj yeem ua kom muaj kev ncaj ncees thiab ...
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