It adopts PLC control system. It can not only run the whole line synchronously, but realize the adjustment of single machine. It is equipped with a man-machine interface,15??? touched screen. It is operated easily and flexibly with international advanced automation. ??? The Al-plastic pipe is formed by ultrasonic welding with good quality. An imported famous brand welder is equipped. The welding current ensures the welding precision of Al-plastic pipe and the rate of qualified pipe. ??? The imported far-infrared inspector monitors temperature of the pipe all the way, and ensures the adhesive strength. ??? The advanced laser device for diameter measuring realizes the loop control, connecting with the control system. ??? The imported jet printer and the intelligent eddy current flaw detector are connected with PLC, printing the setting contents and marks automatically with the sound and light alarm and the defect recorder. ??? The extrusion line can be changed into two lines for PEX, PE or PP-R pipe by replacing relative parts. It can be used to produce the coaxial TV cable so as to enhance the market competitive power. Keywords: aluminum plastic extrusion, PE-AL-PE pipe extrusion, aluminum plastic composite extrusion, compound extrusion, plastic extruder, plastic extrusion, AL-plastic composite machine, Aluminum plastic pipe, composite pipe extrusion, composite pipe extruder, PEX-AL-PEX pipe extrusion, PEX-AL-PEX pipe extruder