“Construction waste is a major source of pollution in the city, the backward handling way of it for a long time has led to the serious pollution of urban environment. In order to ensure peoples health, protect the environment and save energy, the whole world should attache great importance to the development and use of environmentally friendly building materials, promote the use of polluting or less polluting products, and limit or prohibit the use of potentially polluting materials. Germany is the worlds first country to implement environmental standard, and the non-toxic odorless harmless water-based architectural coatings quickly occupied the market. The United States, Britain, Canada and other countries are also actively developing environmentally friendly building materials, and have developed the interior standard. As to different clients demand and wording environment, Hongxing Machinery Co., LTD develop and push series of mobile crushers including mobilejaw crusher”