Simpson Steel professional manufacture Hot Dip Galvanized Steel Coil, Hot Dip Galvalume Steel Coil , Pre-Painted Galvanized Steel Coil and Pre-Painted Galvalume Steel Coil.(Capacity design: 200000 ton/year for color coated; 200000 ton/year for galvanization and 400000 ton/year for aluminized galvanization.)