Dear sir; We need to purchase for large size projects, Photovoltaic Cells based on 3-Joint / 3-Layers technology. Also, complementary equipments shoul be needed. (main controllers, inverters, coupling interfaces for 3 phases grid, etc.) Power Grid Tech. Specs.: 220 / 380 Vac. - 50 Hz. If you can supply us please contact us asap. Regards, Alfredo Rehbein General Manager |