业务覆盖江苏、上海、浙江、安徽、山东、河北、天津、河南、湖北、福建、广东、重庆、贵州、湖南等地区，并在华南地区设 有售后机构。 Business covers Jiangsu, Shanghai, Zhejiang, Anhui, Shandong, Hebei, Tianjin, Henan, Hubei, Fujian, Guangdong, Chongqing, Guizhou, Hunan and other regions, and has established after-sales agencies in South China.