1000000 Wanhe water heater (China well-known trademark, China well-known trademark, leading brand) 2 Haier water heater (China well-known trademark, China well-known trademark, world brand) 3 Wan Jiale water heater (China well-known trademark, China well-known trademark) 4 Smith A.O. water heater (USA 1874, Professional water heater brand) 5 ariston water heater (European brand, global brand) 6 Midea water heater (China famous brand, China famous brand) 7 Sakura water heater (China famous brand, world famous brand) 8 Vantage water heater (China famous brand, China famous brand) 9 Qianfeng water heater (China famous brand, China best-selling brand) 10 Siemens water heater (one of the largest electrical and electronic companies in the world,