April 28^th, the 2009 press conference for the important and key started or completed industrial projects of Beijing was held by Beijing Economy & Information Committee in Beijing Conference Center. This meeting introduced 16 started-up project in first-half of 2009 and 20 newly started projects, among which the R&D and industrial base project for high power and high performance frequency converter of MCC Singrock was listed one of 20 key started construction projects.