Thaum Lub Ib Hlis 13, 2020, Ningbo Yongshen Electric Appliance Co., Ltd tau hloov kho CSA daim ntawv tshaj tawm 1610337 ntxiv cov qauv tshiab YD1.5-1P, YD1.5-2P, YD1.5-1AP, YD1.5-2AP uas siv cov tshiab nias khawm.