Our main product is PPGI,SPCC,SGCC, Aluzinc Steel Coil, stainless steel coils and other steel coils. The advantages ... for 6-12 years.4. good adhesion,can be roll forming.5. protective film can be provided according to ... productsOur main product is PPGI,SPCC,SGCC, Aluzinc Steel Coil, stainless steel coils and other steel coils.Should any ... .Thank you very much. Color Coated Galvanized Steel Coil(PPGI)