... requirements:Rohs PAHs length:4m 7m 10m or customized water pipematerial:LLDPE PVCCharacteristics:Smooth surface,It is easy ... and anti-agingcolor:black or customizedlength:customizedID:range 8-150mmApplication:water supply, sewerage, irrigation, mining, oil field, marine ... equipment through the oil, through the chemical gas, water, and drainage for the water pump and air conditioning. water pump