... -50mm 3.depends on customer' corrugator Plastic Corrugated Pipe Line Production description:1.Suitable material: PE, PP,PVC,ABS,etc2.This line consists ... , air/oil cooling unit , counter, coiler, which can continually extrude corrugated pipes in different sizes.3.Moulding unit adopts excellent steel ... ,if you are interested in it,please contact us freely! plastic Corrugated Pipe Line