Two, waterproof, anti-corrosion, thermal insulation engineering qualification level 1, level 2 can be handled, processing time ranging from 2 months.
Third, whether it is the first-class waterproof, anti-corrosion and thermal insulation engineering qualification or the second-class qualification, the main standards for treatment are three points.
1, the enterprise assets meet the grade requirements.
2. The main technical personnel of the enterprise meet the relevant bidding requirements.
3, the enterprise's previous engineering performance requirements.