Development history  

2006~2008：■Qualified by Chinese railway ministry as HVAC power supply manufacturer.  ■Became the main supplier of small power supply products.
2009~2011：■Obtained high-tech enterprise certification, double soft enterprise certification, IRIS certification.  ■Owns the largest market share in auxiliary converter system of diesel locomotives market.  ■Sales increased 70%-200%.
2012~2014：■Owned an independent property rights company base, established a technology center, and successfully developed a 100kW medium frequency isolation module.  ■Entered international market, became an Alstom global supplier and started delivering bulk orders.  ■Mass delivered air-conditioning DC/DC converters for urban rail vehicles and successful installed trams energy storage systems.  ■Delivered traction system to hybrid metro maintenance locomotive.
2015~2017：■Obtained bulk orders from Siemens and bulk export orders from Alstom.  ■Successfully passed the 300k km performance test for EMU battery charger products and delivered the first order.  ■Installed auxiliary converter system on new generation 160km and 3000HP diesel locomotive.  ■Bulk installed battery chargers on urban rail vehicles.
2018~2019：■Obtained bulk orders of EMU battery chargers.  ■Delivered auxiliary converter cabinets for 4400HP mainline diesel locomotive.  ■Obtained batch orders of power supply for Alstom Germany regional DMU and successfully delivered.
2020~2021：■Delivered the first domestic new energy locomotive transformation conversion system.   ■Developed the first low-cost high-frequency closed-loop LLC module.  ■Obtained Siemens batch order of high frequency auxiliary converter cabinets used on urban rail vehicles.  ■Fully implemented project management system.