pipe production machine is applied for: 1) raw material: HDPE 2) PE pipe extrusion is applied to manufacture HDPE large diameter water/gas supplying pipes are applied in the field of water and natural gas supplying in utility 3) details of specification as follwoings: Pipe diameterExtrudersTotal powerΦ70-Φ250 mmSJ75/33, SJ30/25260 kwΦ110-Φ450 mmSJ55/33, SJ30/25350 kwΦ250-Φ630 mmSJ120/30,SJ30/28500 kwΦ450-Φ800 mmSJ120/33, SJ30/25650 kw