National service network

Beijing Xi'an Nanjing  Shanghai Nanning Wuhan Shenzhen Hangzhou Guangzhou Fuzhou Guiyang Kunming Changsha Chengdu   Urumqi  Hefei Lanzhou Haikou Chongqing

Headquarters after-sales service hotline: 0757-22623120 

                           刘工  15918098506    

                           张工  13600327125

                           聂工  13923235598

After-sales service hotline of Beijing Office: 姚工13929165533

Shanghai office after-sales service hotline: 021-63866937 

                                                                     冯工13918334687