the product size can be customized.we will give our best price and serive to you. 1.High quality 2.Competitive prices 3.Fin Material Features: Raw materials(coil rolled grain non oriented silicon steel): Baostell:B50A470,B50A600,B50A800,B50A1000,B35A550,B35A440 Wisco:50WW1300,50WW1000,50WW800,50WW600,50WW470,35WW230,35WW250,35WW370,35WW300,360400,35WW440 Taisteel:50TW800,50TW600,50TW470website: ...