Na Jenụwarị 13, 2020, Ningbo Yongshen Electric Appliance Co., Ltd emelitere akụkọ CSA 1610337 iji gbakwunye ụdị ọhụrụ YD1.5-1P, YD1.5-2P, YD1.5-1AP, YD1.5-2AP nke na-eji nke ọhụrụ. pịa bọtịnụ.