1. Male coupling
2. Color: Grey, or other colors according to the quantity

3. Technics: Injection

4. Working temperature: Normal

5. Corrosion resistance

6. Healthy, bacteriological neutral, conforming to drinking water standards

7. Convenient and reliable installation, low construction expenses

8. Lightweight, convenient to transport and handle, good for labor-saving
9. Smooth inner walls reduce pressure loss and increase flow speed

10. Sound insulation (reduced by 40% compared to galvanized steel pipes)

11. Extremely long usage life for at least 50 years