EDR pipe is a high-stength pipe for basement pipe that is constructed on the ceiling of the basement and basement parking lots of an apartment building.
EDR pipe fittings are fittings connecting highstrength EDR pipes for basement (underground) drain use. 

1. Characteristics
- Non-toxic and environmentally friendly
- Lightweight and mechanical strength makes it easy to handle and easy to manufacture
- Excellent weatherapability and durability

2. Applications
- an underground drainage pipe 
- vertical piping 
- underground piping 
- a stormwater pipeline
- factory wastewater piping