Jiangsu Hongguang Instrument Factory Co., Ltd.( hereinafter referred to as Hongguang instrument) was established in 1972, which was reformed from an state-owned enterprise,  now have become a core subsidiary corporation of SUYI GROUP, mainly produce industrial automation instrument, control valve and power cable. Industrial automation instrument contain flow meter, pressure gauge, pressure transmitter, level transmitter, temperature gauge, temperature transmitter, digital display instrument.