+ Energy Engineering
+ Transportation and Logistics
+ Geology, Mining, and Metallurgy
+ Urban Construction
+ Information and Communication
+ Chemical Industry
+ Water Conservancy Engineering
- Environmental Protection
Water Treatment Engineering
Flue Gas Treatment Engineering
Noise Control Engineering
Soil Remediation and Restoration Engineering
Waste Recycling Engineering
Waste Mangement Engineering
Hazardous Solid Waste Treatment Engineering
Water System Management Engineering
Sludge Treatment
+ Mechanical Manufacturing
+ Agricultural Engineering
+ General Equipment
+ Materials and Supplies
+ Light Industry Engineering
+ International Trade Services
Hebei Sailhero Environmental Protection High-tech Co., Ltd.
