Chuang Yin was founded in 2002. It is an independent high-tech company specialized in production of instrumental transformers as well as high voltage transformers used in electric power transmission. Headquartered in Hi-tech District of Shenzhen, It is also an enterprise consisting of R&D, manufacturing, marketing and distribution. The main products of chuang yin are instrument transformer, Zero-Sequence Current Transformer, LV and MV CT and PT for power system, Electronic CT and PT, and Split Core CT (Clamp-on CT) Flexible Rogowski Coil in China. Certified by ISO; 9001: 2008; CE; UL; CQC. Standard: IEC60044-1