Rainbow (a well-known trademark in China, a famous brand in China, one of the top ten hand warmer brands, and one of the leading enterprises in the sanitary and insecticidal products industry, Chengdu Rainbow Electric Appliance (Group) Co., Ltd.)

SANYO Sanyo (a well-known trademark in Japan and China in 1947, the largest enterprise group in Japan and a Fortune 5 enterprise in the world, Sanyo Electric (China) Co., Ltd.)

Midea (started in 1968, China is a well-known trademark, a listed company, one of the top 5 Chinese enterprises, and Guangdong Midea Electric Appliance Group Co., Ltd.)

Caiyang (one of the largest electric blanket production bases in China, one of the most powerful electric blanket manufacturers in China, and the top ten brands of hand warmers, Guizhou Caiyang Electric Heating Technology Co., Ltd.)

Pioneer Singfun (Zhejiang high-tech enterprise, China well-known trademark, Zhejiang famous trademark, China famous brand product, top ten hand warmer brands, Pioneer Electric Group Co., Ltd.)

Kono CAINO (top ten electric hot water bottle brands, well-known brands in the industry, enterprises specializing in the research and development and production of personal mobile heating products, Zhejiang Cixi Ke Nuo Electronic Technology Co., Ltd.)

Yipu Yeap (manufacturer of personal heating appliances, electric mosquito swatter, shoe dryer and other household appliances, top ten hand warmer brands, Cixi Yipu Electric Co., Ltd.)