he characteristic of NdFeB magnet is that its molecules are very active and it is easy to react with oxygen in the air. In order to stabilize it and give full play to its energy. After a long time of exploration, it is concluded that the ele...

In recent years, Chinas awareness of environmental protection is gradually enhanced, and the development of environmental friendly coatings has become a major trend in the coatings industry. Traditional solvent based coatings contain a lot...