Mnamo tarehe 17 Novemba 2020, Kampuni ya Ningbo Yongshen Electric Appliance Co., Ltd ilisasisha ripoti ya CSA 1610337 ili kuongeza miundo mipya YD1.5-1C-1, YD1.5-1AC-1, YD1.5-2AC-1, YD1.5 -1BC-1, YD1.5-2BC-1, YD1.5-1BP, YD1.5-2BP, YD1.5-3P, YD1.5-4P, YD1.5-5AP, YD1.5-6AP, YD1 .5-3BP, YD1.5-4BP, YD1.5-5DP, YD1.5-6DP, YD1.5-5BP, YD1.5-6BP, YD1.5-7DP, YD1.5-7BP, YD1.5 -8BP, YD1.5-1E, YD1.5-2E, YD1.5-1EC, YD1.5-2EC, YD1.5-1F, YD1.5-2F, YD1.5-1FC, YD1.5-2FC , YD9-1DG, YD9-2DG, YD1.5-1M, YD1.5-2M, YD1.5-1MC, YD1.5-2MC, YD1.5-1MP, YD1.5-2MP, YDF1.5-1G , YDF1.5-2G, YDF3-1G, YDF3-2G, YDF9-1G, YDF9-2G, YDF12-1G, YDF12-2G, YDF18-1G, YDF18-2G, YDF1.5-1K, YA120-1S, YA120 -2, YA120-4, YA120-6 YA120-8 ambayo hutumia kitufe kipya cha kubofya, ganda jipya la nje, na baadhi ya bidhaa zilizoidhinishwa huongeza miundo tofauti ya volteji ya pembejeo.