BBT China new service hotline 400 820 6017 has been available from Oct.1 st 2007, from then, cell phone users could dial the After-Sales Service Center directly . Wherever and whenever you are, whatever questions or requirement concerning whatever product in whatever brand you do have Bosch or Buderus, you may dial this hotline number and enjoy the prompt information and service of us. Besides maintaining the warm and careful service as before, new hotline embodies fatherly the philosophy of “customer first”.