Jiangsu Chahua-Electric Co., Ltd. (stock code: 836343) was established in 2010. It is an innovative enterprise integrating R & D, production and sales of various proximity sensors, Hall power sensors, temperature sensors and intelligent monitoring systems with independent intellectual property rights. . Products are widely used in power grid, rail transit, new energy, environmental protection industry and other fields, and provide intelligent monitoring and control system solutions for aerospace, industrial automation and other fields.