JA Solar | 125,867 followers on LinkedIn. Harvest the Sunshine | Founded in 2005, JA Solar is a manufacturer of high-performance photovoltaic products. With multiple manufacturing bases and 16 sales subsidiaries around the world, the company's business covers silicon wafers, cells, modules and PV power stations. JA Solar products are available in 178 countries and regions and are used extensively in ground-mounted power plants, commercial & industrial rooftop PV systems and residential rooftop PV systems.