Shenzhen Hoohe Technology Co., Ltd. is professionally engaged in the design, R&D and mass production of power banks. We offer universal power banks, 3G Wi-Fi wireless router power banks, solar power banks and backup power bank cases for smart phones. Strict QC Processes in Accordance with ISO Guidelines We implement strict QC processes according to ISO 9001:2000 guidelines and also perform various tests like loading, capacity grading, aging, vibration, salt spray, and high and low ...