1. Urban water supply and drainage
- Provide safe and stable water supply to city dwellers while ensuring the smooth operation of drainage systems.

2. Fire protection system
- In the event of a fire, reliable fire pipes can quickly deliver fire extinguishing water to ensure the safety of life and property.

3. Petrochemical industry
- Withstand the corrosion of chemical media to ensure the safety and efficiency of material transportation.

4. Construction works
- Used in air conditioning, HVAC and other systems to provide high-quality plumbing for buildings.