|2004||Foundation of CSUN as China Sunergy Co. Ltd., a subsidiary of China Electric Equipment Group (CEEG)|
|2005||Installation of the first 32 MW solar cell production line.|
|2006||Solar cell production reaches 192 MW making CSUN one of the world's leading photovoltaic companies.|
|2007||CSUN is successfully listed on NASDAQ stock exchange.
CSUN’s partner company China Electric Equipment Group (CEEG) sets up its PV business by building two module plants.
|2008||Establishment of CSUN’s European headquarters in Germany.
Successful commercial production of selective emitter (SE) solar cells making CSUN a pioneer in this field.
Cell production capacity reaches 320 MW.
|2010||CSUN enters the solar module market by taking over CEEG’s two module production facilities.
Cell production capacity reaches 400 MW, module production capacity is 480 MW.
|2011||Establishment of CSUN’s US office.
CSUN is listed among Deloitte’s Top 20 Chinese clean technology companies.
Cell production capacity increases to 600 MW, module production capacity to 980 MW.
|2012||CSUN signs a three-year strategic cooperation agreement with DuPont.
CSUN signs a joint venture agreement with Turkish partner Seul Energy and sets up cell and module production in Istanbul.
Cell production capacity grows to 1 GW, module production capacity to 1.2 GW.
|2013||Official inauguration and start of mass production in the new factory in Istanbul.|
|2014||KSUN, a South Korea-based high efficiency solar cells plant started operation.|
|2015||Vietnam-based manufacturing facility started mess production of solar cells and modules.
CSUN shipped accumulative of 4.0 GW of solar products.