... Corrosion-resisitant, non-scaling;may be waived and basin was blocked pipes, the tub-shaped macular ... metal.9. Pleasing in appearance: both the inner and outer side of our products are very smooth, ... flowing water with small force, soft color, and beautiful graphics.10. Can be buried, metal ... pipe, pipes used for heating installation on floor and wall, snow-melting devices for buildings in northern ...