Target recommendation: 1) Home appliances: such as [Gree Electric]/[Midea Group]/[Haier Zhijia]/[Hisense Household Appliances]; 2) Small household appliances: such as [Cobos]/[Jimi Technology]/[Xiaoxiong Electric Appliances]; 3) Kitchen appliances: such as [Vantage Shares]/[Boss Electric Appliances]; 4) Black electricity: such as [TCL Electronics]/[Hisense Video]The competition pattern of zinc-manganese battery is mature and stable,