1 weineng weineng (one of the largest international heating groups in Europe, one of the top ten brands of wall-hung boilers, a multinational family enterprise with a history of 135).
2 Bosch Bosch (1886, Germany, a well-known brand, top ten brands of wall-hung boilers, one of the largest gas boiler suppliers in Europe, with industry influence)
3 ariston (founded in 1930, Italian, wall-hung boiler brand, a global leading enterprise specializing in the production of heating and hot water products, a multinational company).
Baxi (the largest manufacturer of wall-hung boilers in Europe and the top ten brands of wall-hung boilers in China, providing the world with the most advanced heating and domestic hot water systems).
5 Beretta (since 1973, the top ten brands of wall-hung boilers, the main supplier of heating in China and the largest Italian heating equipment manufacturer).
6 squirr (Guangdong famous trademark, national high-tech enterprise, top ten wall-hung boiler brands in China, the earliest domestic wall-hung boiler manufacturer).
Seventy thousand and Wanhe (China famous trademark, China famous trademark, wall-hung boiler brand, national key high-tech enterprise, Guangdong famous trademark, Guangdong famous trademark).
Wan Jiale (Guangdong Wan Jiale gas appliance Co., Ltd. (hereinafter referred to as "Wan Jiale") is a listed company, and Guangdong Wan Jiale Co., Ltd.)
9 Ke Nuo (Hefei Ke Nuo Heating and Cooling Equipment Engineering Co., Ltd. (Anhui HVAC Network) specializes in sales, design and installation of middle and high schools at home and abroad)
10 Guoxin (one of the top 500 Chinese enterprises (Feng Chun Industrial Group), one of the top ten brands of wall-hung boilers, and the first to enter the gas heating water heater industry in China)