Shenzhen Sinca Techonology Co., Ltd is a professional company which secialized in reaserch and development, production, sales and service for high-tech products-power bank. Since its inception in 2003, Sinca has been putting in new product development and quality improvement, through professional R&D team, skilled workers, well-educated management with modern productions equipment and ISO quality control system, creat perfectly quality for Sinca, products are exported to all over the world. Such as North America, Europe, Africa, Asia and other regions.