What permits are required for rust removal of evaporation tanks?

The corresponding anti-corrosion construction permit and business license are required.

1. The anti-corrosion construction permit requires a corresponding number of anti-corrosion engineers, anti-corrosion technicians and builders.

2. Anti-corrosion operators must be trained by relevant state departments, and can only take up their posts after passing the examination.

3. Anti-corrosion workers must also obtain the aerial work certificate approved by the relevant state departments before taking up their posts.