タイトルまたは説明

1. Reduced thermal expansion
2. Health, non-toxic, can be used for pure water, drinking water pipeline system, the product is a green building materials.
3. Due to the existence of the middle layer of aluminum, the expansion co-efficient a samll metal pipe with considerable strength, toughness, impact resistance.
4.Corrosion-resisitant, non-scaling;may be waived and basin was blocked pipes, the tub-shaped macular rust.
5. Light weight, high strength: the proportion of the only one-eighth of the metalcked pipes, the tub-shaped macular rust.
6. Long time life: the pipeing system under normal use life of up to *0 years.