In 1998, the first manufacturer of 660V special explosion-proof VFD which was successfully designed in China;

In 2004, the first H-bridge Multi-level HV-VFD for 4-quadrant hoisting application was put into operation all over the world;

In 2006, the first HV-VFD supplier for synchronous motor application in China and successfully put the VFD into operation;

In 2007, the manufacturer of the world's second, the first case of oil shale refinery project ATP, dual-drive furnace frequency converter in China;

In 2008, 7500kVA HV-VFD was successfully running which is the biggest power class in China;

In 2009, Blast Furnace blower 25MW Motor Starting by HV-VFD for Zhongtian Steel Plant;

The worldwide biggest testing station of megawatts unit for Harbin Electric Group;

Super power VFD(58000kVA) for CNOOC LNG centrifugal compressor which is also the biggest power VFD in China up to now;

In 2011, HV variable frequency electric drive system(25000kVA) for West-East natural gas transmission project;

The first shore-based variable frequency power source was applied at Shekou port;

In 2012, Supplied VFD system for the biggest LNG project (5 million CBM/day) in China;

The new plant/factory construction was completed, which became the biggest VFD manufacture base;

In 2016, Liaoning Rongxin Electric Drive Corp., Ltd. was acquired by Wolong Electric Group which is the world's third motor supplier.