APPLICATION:The production line is developed with the 1990s advanced techology of West Europe by our company.The main machine is SJZ 51/105 or SJZ65/132 cone double-screw-stem extruder,is equipped with doubletube single-control stainless steel spraying shaper to form a production line.It avoids a waste condition when one is adjusted and the other one is affected.The autp single-control double drawing machine and cutting are combined with the front shaping technology to make operation more flexible.Let you enjoy economic benefit which is brought about by separately control double-tube extruding.The diameter of the extruded pipe is from 20-63mm.It can fully use the extruding capcity of the extruder.Even if it produces smal diameter pipe,it can get great output,too.