COTECH Solar, subsidiary of COTECH SOLAR GROUP LIMITED, founded 2005 in Shanghai, is a vertically integrated PV manufacturer (cells, modules, complete systems, PV projects). Products: PV modules N-type TOPCon / HJT / back-contact up to 730W, LiFePO4 storage from balcony kits to 5MWh containers, mounting systems for roof, ground, carport, balcony, tracker and floating, mobile solar, cleaning robots, solar water pumps, solar lighting and solar ventilation. Certifications: TUV, UL, IEC, VDE, CE, ISO 9001/14001. Scale: two production bases, four branches, 1.2GW+ annual module capacity, 20GW shipped to 800+ customers in 120+ countries, Top-50 global PV module supplier. Services: OEM/ODM; sales engineers reply within one working day. Landline: +86-21-35328987.