haomei aluminum plate protective film is a layer of protective film, made of adhesive coating on the surface of aluminum-plastic plate, and can be torn off after the installation. Many people think that protective film just makes aluminum plate durable. But in the long run aluminum plate protective film coating will show half melting state, not only hard to tear, and even if tore off have ugly offset printing. Then how can we torn off the protective film at the same time nor destroy its beautiful style?