Founded in 2015, armed with integrated consulting, design and installation engineer services, Shanghai Fullsuns Energy Technology Co., Ltd. (hereinafter referred to as "Fullsuns Energy") is a professional distributed photovoltaic system company.

Fullsuns Energy is the domestic top-ten military branch of civil service of Institute of the Electrical and Telecommunication Division, R&D oriented, international leading quality, successively, the Institute has undertaken the R&D and production of solar panels of ShenZhou spacecraft and space stations of TianGong No.1 and No.2. At present, the ground-based PV power stations facilitated by the frontier posts in the domestic are all constructed by the Institute, serving more than 20 years and still in normal operation. In the field of special solar series and patented products, Fullsuns is leading in China and the world.