... .1. Health, non-toxic, norust, never scaling;2. High temperature, high pressure;3. The installation simple, fast, low cost;4. Using hot ... handing, construction, low intensity;7. Pipe inner wall is smooth, pressure loss is small, fast flow;8. Pipeline transmission noise;9 ... color soft, pleasing in appearance;10. Long service life under normal conditions, the service life of up to 50 years or ...