Canadian Solar, Inc. (NASDAQ: CSIQ) is a vertically-integrated manufacturer of photovoltaic cells, modules and custom-designed solar power applications that was incorporated by Dr. Shawn Qu in Canada in 2001. The company has three manufacturing facilities located at Suzhou, Changshu and Luoyang in the People's Republic of China. CSIQ went public with its initial public offering in November 2006.

The company engages in the design, development, manufacture, and sale of solar module products (ranging from 5 W to 300 W and using both polycrystalline and monocrystalline solar cells) that convert sunlight into electricity for various uses. Its products include a range of standard solar modules to general specifications for use in various residential, commercial, and industrial solar power generation systems. The company also designs and produces specialty solar modules and products based on customers' requirements. Its specialty solar modules and products consist of customized modules that its customers incorporate into their own products, such as solar-powered bus stop lighting, and complete specialty products, such as solar-powered car battery chargers. The company also implements solar power development projects, primarily in conjunction with government organizations, to provide solar power generation in rural areas of China.

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