Ná mmalite nke ọmụmụ ihe ahụ, Mr. Song, Secretary General nke Sichuan NB-IoT Special Committee na General Manager nke Chengdu Meide Internet of Things Technology Co., Ltd., kwuru okwu nnabata, na-ekwupụta nnabata ndị ọkachamara NB-IoT. na ndị isi bịara Meide Technology Park. Ebe ọ bụ na...
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