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COTECH Solar is a large-scale, vertically integrated solar energy company founded in Shanghai in 2005. From monocrystalline cells and modules to complete solar systems and PV projects, it offers one manufacturer for an entire solar project: N-type TOPCon, HJT and back-contact modules up to 730W, LiFePO4 energy storage from balcony kits to 5MWh containers, PV mounting systems, mobile solar power, cleaning robots, solar water pumps, lighting and ventilation. Headquartered in Shanghai, with hubs in Hong Kong and Rotterdam, COTECH supports OEM/ODM projects worldwide and replies within one working day. With two production bases, over 1.2 GW of annual module capacity, and 20 GW shipped to around 800 customers in 120+ countries, it ranks among the Top-50 global PV module suppliers. Products are certified to TÜV, UL, IEC, VDE and CE, with ISO 9001 and ISO 14001 management systems.
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