large caliber hollow intertwine pipe extrusion line

5. widely used for sewer in super high way, municipal construction, flats, mine and bridges.

4. pipes made of high energy consumption material( such as cement, cast iron, ceramics, etc.)

3. suitable for the sour or alkali liquid below 10%

2. hardness degree of ring is divided into four grades and the max. is 16kn/m2

1. use high density polythene

main features:

max. output 350kg/h

this line is the successful digesting european technology. the pipe has excellent characteristics which is widely used for sewer