COTECH Solar, a subsidiary of COTECH SOLAR GROUP LIMITED, is a vertically integrated PV manufacturer founded in Shanghai in 2005, covering solar cells and modules through to complete PV systems. Its product range includes N-type TOPCon, HJT and back-contact modules up to 730W, LiFePO4 energy storage from balcony kits to 5MWh containers, mounting systems, mobile solar power, cleaning robots, solar water pumps, solar lighting and ventilation. Products are certified to TUV, UL, IEC, VDE and CE, and the company is certified to ISO 9001 and ISO 14001. Dual-glass modules carry a 15-year product warranty and a 30-year linear power warranty, with at least 87% output at year 30. With two production bases and four branches, COTECH Solar has over 1.2GW of annual module capacity and 20GW of cumulative shipments, serving more than 800 customers in over 120 countries as a Top-50 global PV module supplier. The company has 60 employees, an annual turnover of USD 10,000,000, is a joint-stock corporation and offers OEM/ODM services. Its sales engineers reply within one working day.
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