- www.expanko.com
- Design simplicity by quality engineering concepts has been UNITED PLASTICS MACHINERY`S (UPM) philosophy for over 30 years. As one of the world leaders in the design, engineering and manufacture of post extrusion plastic pipe systems and other speciality plastic pipe equipment, United offers products backed by proven reliability and durability. Because their design was based on these concepts, ...unitedplasticsmachine.com