Lighting depends on the sun, greening with rainwater, and wearing "down garments" and little advertisements on the outside walls. At the 2nd China International Circular Economy Trade Fair, the city's urban and rural construction commission transformed the wall into a magical "green building" built by the energy-saving office, allowing visitors to touch the ideal living space full of natural flavor at close range. Beautiful homes should not be disturbed by sloppy advertisements. The fluorosilicone modified coating from Weihai Xinyuan Chemical Co. may eradicate this city psoriasis. This new type of paint composed of resin and nanometer materials can prevent graffiti and sticking, and can effectively control small advertisements. "Whether it is water-based handwriting or oil-based handwriting, wipe off, stick on the adhesive is a tear off, the effect is very good," the technical staff to reporters to demonstrate while introducing, "this paint also water resistance, acid resistance, alkali resistance, salt resistance, humidity and heat resistance, salt fog resistance, very suitable for Qingdao's environment.