Raws li peb txhua tus paub, rau cov cam khwb cia hlau enamle txheej, yuav luag tag nrho cov neeg muas zaub xav tau zaub mov tiv tauj cov ntaub ntawv soj ntsuam kev nyab xeeb.Piv txwv li, FDA ROhs Ca65 Extractable 23 hnyav hlau Extractable hnyav hlau (Pb, Cd), thiab lwm yam. Qee lub Hoobkas tsis tuaj yeem ncav cuag qhov xav tau, yog li lawv tsuas yog siv cov kev kho tshwj xeeb rau th...
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