... advanced technology into large spangles, normal spangles, and zero spangles. The galvanizing line adopts the USS technology ... technology into large spangles, normal spangles, and zero spangles. And anti-fingerprint finishing device is itergrated therein ... Products are made by annealing and deoxidizing, galvanizing, skin passing, and withdrawal straightening, and finally passivating (or oiling), ...