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Tuam Tshoj lub teb chaws yuav tsum tus qauv GB 31241-2022 tau tshaj tawm thiab raug siv thaum Lub Ib Hlis 1, 2024
Thaum Lub Kaum Ob Hlis 29, 2022, Lub Xeev Kev Tswj Xyuas Kev Tswj Xyuas Kev Lag Luam (Standardization Administration ntawm Cov Neeg Tuam Txhab Tuam Txhab Tuam Txhab Tuam Txhab Tuam Txhab Tuam Tshoj) tau tshaj tawm Lub Tebchaws Tus Qauv Tshaj Tawm ntawm Cov Neeg Koom Tes ntawm Tuam Tshoj GB 31241-2022 "Kev Nyab Xeeb Kev Qhia Tshwj Xeeb rau Lithium-ion Batt ...Nyeem ntxiv -
Lub 133rd Canton Fair tau kaw, nrog tag nrho ntau dua 2.9 lab tus neeg tuaj xyuas thiab qhov chaw xa tawm ntawm $ 21.69 billion.
Lub 133rd Canton Fair, uas rov pib ua yeeb yam offline, kaw rau lub Tsib Hlis 5. Ib tus kws tshaj xov xwm los ntawm Nandu Bay Finance Agency tau kawm los ntawm Canton Fair tias qhov chaw xa tawm ntawm qhov chaw Canton Fair yog 21.69 billion US dollars. Txij lub Plaub Hlis 15 txog Lub Tsib Hlis 4, kev xa tawm online tau mus txog US $ 3.42 b ...Nyeem ntxiv
