In recent years, plastic bags and plastic boxes that can be seen everywhere have brought a lot of serious white pollution to the community while bringing people convenience in shopping and living. According to information, China's annual domestic garbage reaches 100 million tons, and plastic products among them account for 1/3 of the volume, and the proliferation of other plastic-type pollutants creates even more striking white disasters. The use of incineration and landfilling measures also have new potential for pollution, which is very difficult to eliminate.

In response to this environmental problem, Yoshida, who is engaged in the production and sale of roofing rubber, began to pay attention as early as eight years ago and decided to open up a way to turn waste into treasure. To this end, he has invested 70,000 yuan to purchase equipment, instruments, and reagents. It is through perseverance to overcome difficulties such as foaming and sticking, and finally embraced the joy of success. This kind of lightweight thermal insulation building material has the functions of insulation, heat insulation and other purposes for roofs, walls, balconies and various containers and pipelines. It can reduce the cost by about 30% compared with similar building materials, and it shows light weight and more remarkable thermal insulation performance. Features.