Ø150-Ø3000 large drainage duct

　　It is mainly used in double-wall drainage duct and HDPE duct. It is widely used in agricultural drainage, sewage discharge, gas discharge and ventilation in mine, and etc. It is also used in daily use, and farming irrigation needing large diameter pipes.
●Low price;
●Longevity: It can be used in acid, salt, and oils, working effectively and lasting as long as 50 years.
●Large-diameter pipe：Ø150-Ø3000：
●Easy operation：easy connection, and 6-9 meters for each needs little special requirements.
●Excellent properties: Adopt high density low pressure polyethylene, which is fit for building materials requiring high anti-temperature.
●High automation：It needs no better conditions and more people.
●No wastes：no rubbish
●High flowability