If you buy a second-hand house, you need to remove the previous tiles and ceiling. When removing the tiles, pay attention to removing the cement cushion together. Do not only remove the tiles in order...

How to recycle waste aluminum alloy?The pretreatment technology of waste aluminum in China is still very simple and backward. Even in large-scale recycling aluminum plants, there is no advanced techno...

Waste paper: it is composed of waste paper of different quality, not limited by packaging method or fiber composition. Sundries shall not exceed 2%. The total amount of non-conforming waste paper shal...

Material: in China, it refers to the means of production, sometimes all the material materials, and more to the means of production of industrial products. It is different from "material" in...

 The common non recyclable garbage around us mainly includes: food residues, rotten garbage, fruit shells, flowers, clothes, etc. At present, there are some ways to deal with the non recyclable w...