Binhai Zhirun Electronics Co., Ltd., a semiconductor manufacturing factory, invested by Shanghai Zhirun Electronics Co., Ltd, was founded in 2003, located in the Yangtze River delta front, which has convenient transportation and a vast interland. Binhai southern economic development zone covers 35 acres, which has a modern plant that has an area of ??12,000 square meters. An investment of 50 million yuan was put in the research of diode electronics product and manufacturing and sales of specialized high-tech.