Yiyuan Electron1c Technology Co., Ltd is a High--Tech Company speciaiized ln research & development, design and manufacturing Process. lt is mainly consisted of following three product groups: LEAd--FREE SOLDERS,ESD&CLEANROOM,and IC PROGAMMING. Since founded in 1995, Yiyuan has succesofully fulfilled several maior natlonal scientific research proJects, and won national Ivention prize many times, and created a new platform of scientlfic innovation. through adhering to the principle of technology- based and market--oriented and cooperating with a number of domestic and foreign universities and well-know companies. Yiyuan hasbeen the national high-tech achievement and"863"achievement industrialization base now. In the early 90s of last century, electronics industry of China developed rapidly. But the support anti-static technology was completely dependent on