1)Hot and cold water pipeline, including central-heating system
2)Heating system, include floor-heating, radiator-heating pipeline;
3)Potable water supplying pipeline
4)Central air-conditioning system
5)Irrigation system in public place and garden, greenhouse etc
6)Industrial pipeline for supplying of chemical products.
20mm, 25mm, 32mm, 40mm, 50mm, 63mm, 75mm, 90mm, 110mm, 160mm