Shenzhen jun tongtian technology Co., Ltd., specializing in the production of the recording module, electronic product development design, PCB design, bluetooth headset, self-help bank to provide the production of specialized voice prompt, hospitality, elevator newspaper advertising machine, the human body sensors, infrared human reminders, telephone recording boxes, car bluetooth headset, smart car air purifier, vehicle traveling data recorder, voice prompt module and infrared receiving device, finished product assembly of a full set of processing services. Sincerely welcome all old and new partners and seek common development, casting brilliant!