Key personnel of the first-class qualification standard enterprise:
1. There shall be no less than 5 first-class registered construction engineers.
2. The technical director has more than 10 years experience in technical management of engineering construction, and has the senior title of engineering sequence; There are not less than 20 people with intermediate or above titles in environmental protection, structure, machinery, ventilation, water supply and drainage (water treatment), electrical control and other majors, and the majors are complete.
3. There shall be no less than 20 construction site management personnel with certificates, and the constructors, quality controllers, safety officers, materials engineers, mechanics, cost engineers and librarians shall be complete.
4. There shall be no less than 30 technicians at or above the intermediate level such as electricians, welders, bricklayers, carpenters, painters and cleaners who have passed the examination or training.
Legal basis: Article 65 of the Environmental Protection Law of People's Republic of China (PRC), environmental impact assessment institutions, environmental monitoring institutions and institutions engaged in the maintenance and operation of environmental monitoring equipment and pollution prevention facilities, who resort to deceit in related environmental service activities and are responsible for environmental pollution and ecological damage, shall be punished in accordance with relevant laws and regulations, and shall be jointly and severally liable with other responsible persons who cause environmental pollution and ecological damage.