The production line is developed with the 1990s advanced technology of West Europe by our company. The main machine is SJZ 51/105 or SJZ65/132 control twin screw extruder, is equipped with double-tube single-control stainless steel spraying calibration. It avoids waste condition when one tube is adjusted 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 economic benefit which is brought by separate-control double-tube extruding.