Long Technology was founded in 1972 and successfully listed on the Shanghai Stock Exchange in 2003. Changjiang Electronics has become China's No. 1 and No. 3 integrated circuit packaging and testing firm after more than 40 years of development. Changjiang Technologies offers package design, product development, and certification, as well as a comprehensive variety of professional manufacturing services ranging from chip testing through packing and shipping. It has been recognized as a key national high-tech enterprise, China's top 100 electronics companies, Strategic alliance chairman unit, China Famous Brand, China's export product quality demonstration enterprises, with the only high-density integrated circuit National Engineering Laboratory, state-level enterprise technology center, and post-doctoral research station.