Established in 2009,Shanghai Magntek Microelectronics Inc. is headquartered in Shanghai, with branches and offices in Shenzhen and Chongqing. It is a high-tech company specializing in the development, production and sales of integrated circuits (ICs) and sensor assemblies based on magnetic sensing technology. In 2019, MagnTek consolidated with QST, sharing group resources and maintaining MagnTek's independent operations.