In the modern building industry, cement frame structures are used. The walls are getting thinner and thinner. Although the cost is saved, the sound insulation effect of the wall is getting worse and worse. The plastic noise ball developed by the company is designed for the modern industry's interior wall decoration, reducing At the same time, the cost has also greatly improved the sound insulation effect of the wall. The main material of the plastic noise-insulating ball is PP plastic. The low-density plastic foam ball is produced through the foaming technology, and then mixed into the cement soil and passed through and mixed with the soil. The fusion can fully absorb the noise. At present, the plastic noise ball produced by our company has been used in many large buildings, especially in residential quarters where the city is close to the road. After using plastic noise ball, the effect is very obvious.