Master paint how to master the advantages of paint

The smell of paint is very unpleasant, especially the paint contains a lot of harmful substances such as formaldehyde, benzene, etc. It will pollute the indoor air and affect people's health. Choosing a high-quality, environmentally-friendly paint is an urgent need for every decoration owner. .....

Failure caused by material defects

In the case of a large number of parts fracture accidents, the failure due to material defects occupies a considerable proportion. Material defects include metal inclusions and non-metallic inclusions, steel ingot segregation, crystal segregation, pore segregation, gases in steel, ca.....