Jianyuan is a professional manufacturer engaged in the research, development, production, sale and service of power supply, usb charger, usb cable etc, all with safety certifcaion and safety standard , including CE/CB/FCC/ETL/SAA/C-Tick/RCM/GS/KC/PSE/ROHS etc. We dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisaction.