Core Businesses
We focus on integrating environmental engineering projects,
specializing in
water and waste treatment, as well as renewable energy
specializing in water and waste treatment, as well as renewable energy
![](https://www.hdec-corp.com/wp-content/uploads/home-icon01-1.png)
Water Treatment
![](https://www.hdec-corp.com/wp-content/uploads/home-icon02.png)
Waste Treatment and Renewable Energy
![](https://www.hdec-corp.com/wp-content/uploads/home-icon03.png)
Piping
![](https://www.hdec-corp.com/wp-content/uploads/home-icon01-1.png)
Water Treatment
![](https://www.hdec-corp.com/wp-content/uploads/home-icon02.png)
Waste Treatment and Renewable Energy
![](https://www.hdec-corp.com/wp-content/uploads/home-icon03.png)