1 ZEHNDER (founded in Switzerland in 1895, a large multinational group, an international brand, one of the largest steel radiator manufacturers in China, ZEHNDER (China) HVAC Equipment Co., Ltd.)

2 Nuoro Nuociss (a leading company in the radiator manufacturing industry, with the core business of manufacturing and selling heating radiators and solar water heaters, Nuoro (China) Co., Ltd.)

3 Florence Florence (an international enterprise integrating R&D, manufacturing and marketing of new radiators, one of China's new radiator R&D bases, Florence (Beijing) HVAC Technology Co., Ltd.)

4 SunFlow SUNFAR ( Guangdong famous brand, high-tech enterprise, star enterprise specializing in the integrated manufacturing and sales of radiators, industry influential brand, Foshan Sunflower Radiator Co., Ltd.)

5 Shengchun (in 1970, national protected trademark , national standard setting unit for cast iron radiators, Hebei famous brand, top ten heater brands, Shengchun Jinuan Radiator Co., Ltd.)

6 Longxing (the most complete production range and production in China's light radiator industry One of the largest enterprises, Lanzhou Longxing Volka Heating Equipment Manufacturing Group Co., Ltd.)

7 IRSAP (established in Italy in 1963, the world's leading HVAC radiator brand, HVAC radiator Famous brand and leading company in the appliance industry, Isap (China) HVAC Co., Ltd.)

8 PuRmO (founded in Finland in 1953, is a world-renowned manufacturer in the heating field and a leading brand in the industry. Europe's largest radiator supplier, Ruitege (China) Co., Ltd.)

9 Sanye SAYEAH (started production in 1974, the first domestic large-scale state-owned enterprise specializing in the production of radiators, radiator- Top ten brands of radiators, Beijing Sanye Group Co., Ltd.)

10 DATONG