Ib lub koom haum kev tsim kho tshiab tus qauv 'Low Melting Batch Inclusion Packages' T/SDPTA 001-2021 tau raug tshaj tawm ntawm National Association Standard Information Platform thaum Lub Kaum Ob Hlis 23, 2021. Zonpak pib tsim cov qauv no hauv 2019. Tus qauv pab ua kom muaj kev tsim khoom, kuaj. thiab kev muag khoom ntawm cov khoom siv qis melting batch suav nrog. Peb tab tom sim txhawb txoj kev loj hlob ntawm kev lag luam.
Post lub sij hawm: Dec-24-2021