1.Evaluation System of Enterprise Qualification in Cleaning Industry

2.Operating Specifications in Cleaning Industry

3.Ventilation System Cleaning Industry and Evaluation System of Enterprise Qualification in Cleaning Industry

4.Standard for Professional Cleaning of Heat Exchanger of Air Conditioner

5.Technical Code for Commercial Scrubbers

6.Technical Code for Commercial Wet and Dry Cleaners

7.Standard of Oxyhydrogen Cleaner for Carbon Deposition

8.Standard of High-altitude Facades Cleaning