The production line is developed with the advanced technology of West Europe by our company. Extruder machine is SJSZ51/105 or SJSZ65/132 conical twin screw extruder is equipped with doble-tube, single-control stainless steel saraying calibration. It avoids waste condition when one tube is adjuested and the other one is affected. The auto single-control double drawing machine and cutting machine are combined with the front double calibration technology to make operation more flexible. Let you enjoy econmic benefit which is brought by separate-control double-tube extruding.