EC21 Buying Leads Catalogs - b grade solar cell http://importer.ec21.com/buy_leads/b grade solar cell.html Buy Solar Cellshttp://www.ec21.com/offer_detail/Buy_Solar_Cells--5083163.htmlwe are in the market for silicon wafer.such kinds of type are prefered as bellow. Silicon Wafers Solar cell(B grade) Mo20081216