Shenzhen H&T Intelligent Control Co., Ltd. engages in the research, development, production, and sale of smart controllers. Its products include computers, opto-mechanical integration products, smart handheld facial sprayers, smart ultrasonic facial massagers and scrubbers, smart skin rejuvenation devices, smart rechargeable ultrasonic facial brushes, smart anti-snore pillows, smart light-emitting diode (LED) bulbs, smart air humidifiers and diffusers, information security hardware products, and medical devices. Its business activities also include the research of intelligent control technology, development of related software and algorithms, import and export, related technical solutions, and product design services. The company was founded by Jian Wei Liu in October 1999 and is headquartered in Shenzhen, China.