Fingerprint resistant GL steel sheet is an alloy coated steel sheet widely used in many fields such as building materials, home appliances, automobiles, environment, machinery, and ships. The galvanized steel sheet is covered with aluminum-zinc alloy on the surface of the steel sheet. RFP GL Coils is composed of 55% aluminum, 43.5% zinc and 1.5% silicon solidified at a high temperature of 600°C. The entire structure is composed of aluminum-iron-silicon-zinc, forming a dense An alloy-coated steel plate of quaternary crystal.