COTECH Solar, founded in Shanghai in 2005, is a vertically integrated manufacturer of solar cells, modules and complete solar systems, with 20 GW shipped to 800+ customers in 120+ countries. Products include N-type TOPCon, HJT and back-contact modules up to 730W, LiFePO4 energy storage, PV mounting systems, mobile solar power, cleaning robots, solar water pumps, lighting and ventilation. Certified to TUV, UL, IEC, VDE and CE, with ISO 9001 and ISO 14001.