China Henan Dongchuan Electrical Equipment Co., Ltd., founded in 2015 and located in Zhengzhou, the capital of Henan Province, is a science and technology enterprise integrating the production and sales of industrial control automation instruments. It is one of the suppliers of industrial automation instruments in China. Since its establishment, the company has been committed to providing comprehensive services in the field of industrial automation and providing users with advanced technology and high-quality services. At present, the company has 10 series and more than 1000 varieties of product specifications, including signal isolator, signal distributor, isolation distributor and electric quantity transmitter series: current transmitter, voltage transmitter, current sensor, Hall sensor, explosion-proof safety barrier and isolation barrier. Industrial control instruments such as multi-functional instruments, current and voltage meters, frequency meters, tachomet