Shenzhen SUnyuan Technology CO.,LTD is a professional manufacturer of DC-DC Converter, ISO series Isolation Amplifier, Signal Converter, and Isolation Transmitter, etc. Especially ISO series, we have isolated I-to-I, I-to-V, V-to-V, V-to-I, Analog to Serial. These instruments are all available in both IC and DIN rail interface, very easy to use. 

Our company is a manufacturer specializing in designing and producing signal isolation products. The company carries out ISO9001: 2000 quality system and her products meet requirements and directives of CE, RoHS. 

All of our products conform to international standard, and are compatible to almost all famous brands worldwide. Our ISO 4-20mA series are best sellers in China's domestic market. And we are confidence that it is most competitive price/perfomance in a worldwide scale.