·This line is one new kind of PVC and PE multi-hole casing pipe production equipment developed by our corporation on the basis of development necessaries of the news dispatch piping. With thee primary raw material of PVC and PE in the compound,by means of deploying the different die and the design pattern,multiple kinds of standard PVC and PE multi-hole casing pipe can be produced. At the moment there are the 4 holes,5 holes,6 holes and different size of square tube products. It can be seasoned with anything.