Ma Ianuali 13, 2020, ua hōʻano hou ka Ningbo Yongshen Electric Appliance Co., Ltd i ka hōʻike CSA 1610337 e hoʻohui i nā hiʻohiʻona hou YD1.5-1P, YD1.5-2P, YD1.5-1AP, YD1.5-2AP e hoʻohana ana i ka mea hou. pihi pihi.