Raws li tsab ntawv tshaj tawm tshiab tshaj tawm los ntawm Tuam Tshoj National Health thiab Family Planning Commission, lub npe hu ua "Hygienic Standard for Stainless Steel Tableware Containers" (GB 4806.9-2016), cov zaub mov-qib stainless hlau yuav tsum dhau mus kuaj kev tsiv teb tsaws kom muaj kev nyab xeeb ntawm ...