1, 7 years focused on Nantong city and Qidong, Rugao, Haimen and other areas, providing waterproof and anti-corrosion qualifications, the lowest quotation in the industry, efficient and transparent.

Two, waterproof, anti-corrosion, thermal insulation engineering first-class and second-class qualifications, fast processing speed and low cost.

Three, waterproof, anti-corrosion and thermal insulation engineering qualification requirements, mainly including three aspects.

1, enterprise net assets requirements

2, the main technical personnel of the enterprise

3, the enterprise's previous engineering performance requirements

Fourth, the process mainly includes personnel preparation.