1. DAIKIN Daikin (founded in 1924 in Japan, a well-known trademark in China, a well-known brand in the industry, and a leading brand in Japan, Daikin (China) Investment Co., Ltd.)

2. YORK York (founded in 1874 in the United States, one of the largest air-conditioning manufacturers in the world, the world. York (China) Trading Co., Ltd.)

3. TRANE (in the United States in 1913, one of the largest central air-conditioning manufacturers, the largest manufacturer of air-conditioning and refrigeration equipment in Europe, Trane Air-conditioning System (China) Co., Ltd.)

4. Carrier (founded in the United States in 192, a global central air-conditioning expert, a world-renowned brand and a leading manufacturer in the world). Carrier Air Conditioning Sales & Service (Shanghai) Co., Ltd.)

5. GREE GREE (high-tech enterprise, top 5 Asian enterprises, China famous trademark, China famous brand products, top 1 listed companies in China, Zhuhai Gree Electric Co., Ltd.)

6. Midea (the top ten brands of central air conditioners, a subsidiary of Midea Group, specializes in air energy central hot water and central air conditioners. Guangdong Midea Commercial Air Conditioning Equipment Co., Ltd.)

7. Haier Haier (China's well-known trademark, world-class home appliance brand, top 5 Chinese enterprises, the world's first brand of white goods, one of China's most valuable brands, Haier Group)

8. Mitsubishi (founded in Japan in 187, a world-famous motor brand, one of Japan's strongest R&D strength manufacturers, a joint venture, Shangling Air Conditioner Electric Appliance Co., Ltd.)

9. Hitachi Hitachi (founded in Japan in 191, a world-famous compressor brand and one of the strongest R&D strength manufacturers in Japan, a joint venture, Shanghai Hitachi Household Appliances Co., Ltd.)

1. Maxwell (in the United States in 1872, one of the largest air conditioner manufacturers in the world, a world-famous air conditioner brand and a leading brand in the industry, Maxwell Air Conditioning Co., Ltd.)