Beijing YanDong MicroElectronic Co., Ltd.(SHSE:688172) added to Shanghai Stock Exchange Composite Index

Beijing YanDong Micro Electronic Co Ltd is a China-based company mainly engaged in chip design, wafer manufacturing, packaging and testing. The Company's main business is the design, production and sales of discrete devices, analog integrated circuits and special integrated circuits. The Company also provides semiconductor open wafer manufacturing and packaging testing. The Company's main products include digital triodes, preamplifiers, protection devices and RF power devices. The Company's services are mainly provided for the fields of consumer electronics, power electronics, new energy and special applications. The Company mainly operates its businesses in the domestic and overseas markets.