Shenzhen Wannengda Technology Co., Ltd., established in Shenzhen in 2012, is a state-level high-tech enterprise integrating research, development, production and sales. Its core business encompasses the R&D and manufacturing of portable power banks, covering all scenarios from personal portability and home energy storage to commercial power supply. The product range includes series featuring high-capacity fast charging, wireless charging and multi-functional integration, supporting compatibility with multiple devices and achieving annual shipments exceeding ten million units.