warranty policy: nationwide warranty, enjoy three guarantees. warranty period: 5 years for the whole machine. 11-year invoice-free warranty for main components: the warranty method is not supported: the customer sends the boss's range hood for repair at 35 national maintenance service points in Beijing (1) Shanghai (1) Chongqing (1) Fujian (2) Gansu (1) Guangdong (3) Guangxi (1) Guizhou (1) Hainan (1) Hebei (2) Heilongjiang (1) Henan (1). 1) Ningxia (1) Qinghai (1) Shandong (2) Shaanxi (1) Shanxi (2) Sichuan (1) Tianjin (1) Xinjiang (1) Yunnan (1) Zhejiang (1)