Registered in Jiangning Economic and Technological Development Zone, Nanjing Yiyuan Instrument Co., Ltd. is a high-tech enterprise specializing in the research of automation and control technology, as well as the development, production, and sale of automation products and services. Our company mainly produces and sells industrial automation intelligent instruments including different kinds of transmitters abiding by HART Agreement and FF Agreement's temperature, pressure, and pressure difference. At the same time, we supply instrument manufacturers with our persistent high-quality Fieldbus, OEM components and some relevant products. Our products mainly conclude: ES3151intelligent transmitters conforming to HART Agreement and FF Agreement, SDS, distributed control systems, Fieldbus control systems, intelligent modules, signal conditioning modules, data acquisition systems, I/O boards