... , freeway, electric line, oil, chemical, medicine making, food, mine, gas etc.SpecificationsPSP Composite PipeThe main materials are ... Agriculture, Shipbuilding, water supply, drainage, gas, thermoelectricity engineering, food and liquid conveying in industry which is recommended by State ... the preferred pipe for urban rural water supply in 21st century. Pipe Outer diameter (mm)Pipe Thickness (mm)Pipe ...