Wulian red granite is hard, acid and alkali-resistant, corrosion-resistant, high temperature-resistant, light-resistant, frost-resistant, friction-resistant, durable, and its appearance color can be maintained for more than 100 years. In addition, the granite plate is rich in color and the plaid pattern is even and meticulous. After polishing, it is as bright as a mirror, with strong texture and gorgeous and noble decorative effect. All detection indicators at the grass-roots level should meet the design standards. When laying litchi panels in wulian red, the flatness and elevation are controlled by hanging lines with wide lines at fixed points every 5m. There are many surface processing methods for granite veneer stone with pineapple face, besides sawing, there are natural face, axe face, polished face (mirror face), matt face, burnt face, litchi face, sandblasting face, machine plane face, water spraying, washing, pickling (antique), shot blasting, longan face, pineapple face, mushroom face and so on. Different processing methods of the same stone have different effects. Not every kind of stone can adopt every processing method, and different processing methods are chosen because of the different characteristics of stone itself. As for the scope of application, it is due to the ever-changing materials, design and actual physical and chemical properties. Pineapple noodle refers to a dish with a chisel and a hammer chiseled into the shape of pineapple skin on the stone surface. This is a way of granite surface treatment. Pineapple noodles are rougher than litchi noodles and longan noodles. It can also be divided into pineapple coarse noodles and pineapple fine noodles. Pineapple noodles have strict requirements on the thickness of stones. Generally speaking, granite plates smaller than 2.5 cm are not suitable for pineapple noodles. Pineapple granite is generally used for outdoor walls, floors, cylinders, special-shaped stones, square bricks and so on.