Science. Shenzhen Flash Technology Co., Ltd., founded on 20 14, is located in Shenzhen, Guangdong Province, and is an enterprise mainly providing business services. The scientific principle of flash technology is the only intermediate frequency modulation technology in the world, which is transmitted to deep muscles through the nervous system, activating deep muscles that are difficult to achieve by traditional sports, including pelvic floor muscles, and accurately achieving the training purpose through precise control technology.