~Xinxing Twin Screw Machinery Co.Ltd.of Shanghai,China Our company founded in 1989,specilize in plastic extrusion machines: Pipe/board/sheet/profile Recently, i upload some videos about our part extruison machine lines to Youtube. If you are interested in it ,you can have a view on : http://www.youtube.com/user/xxscrewsh To download catalogue ,pictures and videos at: https://drive.google.com/folderview id=0BxWoQqV7i7c0LU9MY0hrZ1FVMm8&usp=sharing